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Finding the Fourth Proportional to 539,350.29, 744,289.68 and 297,629.70

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Solution

The fourth proportional to 539,350.29, 744,289.68 and 297,629.70 is: 410,721.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    539,350.29 : 744,289.68 = 297,629.70 : x
  2. Step 2: Convert to fraction form
    539,350.29/744,289.68 = 297,629.70/x
  3. Step 3: Cross multiply
    539,350.29x = 744,289.68 × 297,629.70
  4. Step 4: Simplify right side
    539,350.29x = 221,522,714,171.50
  5. Step 5: Solve for x
    x = 221,522,714,171.50/539,350.29
  6. Step 6: Final answer
    x = 410,721.41

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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.