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Finding the Fourth Proportional to 579,600.70, 869,401.05 and 242,583.10

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Solution

The fourth proportional to 579,600.70, 869,401.05 and 242,583.10 is: 363,874.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    579,600.70 : 869,401.05 = 242,583.10 : x
  2. Step 2: Convert to fraction form
    579,600.70/869,401.05 = 242,583.10/x
  3. Step 3: Cross multiply
    579,600.70x = 869,401.05 × 242,583.10
  4. Step 4: Simplify right side
    579,600.70x = 210,902,001,852.26
  5. Step 5: Solve for x
    x = 210,902,001,852.26/579,600.70
  6. Step 6: Final answer
    x = 363,874.65

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Half scale
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Double scale
Find fourth proportional to 579,601.70, 869,402.55 and 242,584.10
Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.