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Finding the Fourth Proportional to 579,601.70, 869,402.55 and 367,025.30

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Solution

The fourth proportional to 579,601.70, 869,402.55 and 367,025.30 is: 550,537.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    579,601.70 : 869,402.55 = 367,025.30 : x
  2. Step 2: Convert to fraction form
    579,601.70/869,402.55 = 367,025.30/x
  3. Step 3: Cross multiply
    579,601.70x = 869,402.55 × 367,025.30
  4. Step 4: Simplify right side
    579,601.70x = 319,092,731,734.52
  5. Step 5: Solve for x
    x = 319,092,731,734.52/579,601.70
  6. Step 6: Final answer
    x = 550,537.95

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Half scale
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Double scale
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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.