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Finding the Fourth Proportional to 539,301.74, 744,235.52 and 297,584.12

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Solution

The fourth proportional to 539,301.74, 744,235.52 and 297,584.12 is: 410,665.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    539,301.74 : 744,235.52 = 297,584.12 : x
  2. Step 2: Convert to fraction form
    539,301.74/744,235.52 = 297,584.12/x
  3. Step 3: Cross multiply
    539,301.74x = 744,235.52 × 297,584.12
  4. Step 4: Simplify right side
    539,301.74x = 221,472,673,501.57
  5. Step 5: Solve for x
    x = 221,472,673,501.57/539,301.74
  6. Step 6: Final answer
    x = 410,665.60

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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.