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Finding the Fourth Proportional to 539,357.63, 744,035.57 and 335,331.18

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Solution

The fourth proportional to 539,357.63, 744,035.57 and 335,331.18 is: 462,584.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    539,357.63 : 744,035.57 = 335,331.18 : x
  2. Step 2: Convert to fraction form
    539,357.63/744,035.57 = 335,331.18/x
  3. Step 3: Cross multiply
    539,357.63x = 744,035.57 × 335,331.18
  4. Step 4: Simplify right side
    539,357.63x = 249,498,323,973.42
  5. Step 5: Solve for x
    x = 249,498,323,973.42/539,357.63
  6. Step 6: Final answer
    x = 462,584.22

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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.