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Finding the Fourth Proportional to 573,532.31, 791,494.91 and 315,429.22

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Solution

The fourth proportional to 573,532.31, 791,494.91 and 315,429.22 is: 435,303.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    573,532.31 : 791,494.91 = 315,429.22 : x
  2. Step 2: Convert to fraction form
    573,532.31/791,494.91 = 315,429.22/x
  3. Step 3: Cross multiply
    573,532.31x = 791,494.91 × 315,429.22
  4. Step 4: Simplify right side
    573,532.31x = 249,660,625,948.70
  5. Step 5: Solve for x
    x = 249,660,625,948.70/573,532.31
  6. Step 6: Final answer
    x = 435,303.50

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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.