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Finding the Fourth Proportional to 539,243.60, 744,425.83 and 335,360.20

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Solution

The fourth proportional to 539,243.60, 744,425.83 and 335,360.20 is: 462,964.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    539,243.60 : 744,425.83 = 335,360.20 : x
  2. Step 2: Convert to fraction form
    539,243.60/744,425.83 = 335,360.20/x
  3. Step 3: Cross multiply
    539,243.60x = 744,425.83 × 335,360.20
  4. Step 4: Simplify right side
    539,243.60x = 249,650,793,301.50
  5. Step 5: Solve for x
    x = 249,650,793,301.50/539,243.60
  6. Step 6: Final answer
    x = 462,964.78

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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.