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Finding the Fourth Proportional to 662,561.70, 993,842.55 and 452,609.70

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Solution

The fourth proportional to 662,561.70, 993,842.55 and 452,609.70 is: 678,914.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    662,561.70 : 993,842.55 = 452,609.70 : x
  2. Step 2: Convert to fraction form
    662,561.70/993,842.55 = 452,609.70/x
  3. Step 3: Cross multiply
    662,561.70x = 993,842.55 × 452,609.70
  4. Step 4: Simplify right side
    662,561.70x = 449,822,778,402.74
  5. Step 5: Solve for x
    x = 449,822,778,402.74/662,561.70
  6. Step 6: Final answer
    x = 678,914.55

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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.