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Finding the Fourth Proportional to 573,535.87, 791,488.67 and 315,424.10

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Solution

The fourth proportional to 573,535.87, 791,488.67 and 315,424.10 is: 435,290.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    573,535.87 : 791,488.67 = 315,424.10 : x
  2. Step 2: Convert to fraction form
    573,535.87/791,488.67 = 315,424.10/x
  3. Step 3: Cross multiply
    573,535.87x = 791,488.67 × 315,424.10
  4. Step 4: Simplify right side
    573,535.87x = 249,654,601,796.55
  5. Step 5: Solve for x
    x = 249,654,601,796.55/573,535.87
  6. Step 6: Final answer
    x = 435,290.30

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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.