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Finding the Fourth Proportional to 539,234.49, 744,166.10 and 297,532.72

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Solution

The fourth proportional to 539,234.49, 744,166.10 and 297,532.72 is: 410,607.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    539,234.49 : 744,166.10 = 297,532.72 : x
  2. Step 2: Convert to fraction form
    539,234.49/744,166.10 = 297,532.72/x
  3. Step 3: Cross multiply
    539,234.49x = 744,166.10 × 297,532.72
  4. Step 4: Simplify right side
    539,234.49x = 221,413,762,748.21
  5. Step 5: Solve for x
    x = 221,413,762,748.21/539,234.49
  6. Step 6: Final answer
    x = 410,607.57

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.