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Finding the Fourth Proportional to 539,258.38, 744,446.20 and 335,374.97

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Solution

The fourth proportional to 539,258.38, 744,446.20 and 335,374.97 is: 462,985.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    539,258.38 : 744,446.20 = 335,374.97 : x
  2. Step 2: Convert to fraction form
    539,258.38/744,446.20 = 335,374.97/x
  3. Step 3: Cross multiply
    539,258.38x = 744,446.20 × 335,374.97
  4. Step 4: Simplify right side
    539,258.38x = 249,668,617,430.95
  5. Step 5: Solve for x
    x = 249,668,617,430.95/539,258.38
  6. Step 6: Final answer
    x = 462,985.14

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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.