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Finding the Fourth Proportional to 573,366.58, 791,229.11 and 315,243.28

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Solution

The fourth proportional to 573,366.58, 791,229.11 and 315,243.28 is: 435,026.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    573,366.58 : 791,229.11 = 315,243.28 : x
  2. Step 2: Convert to fraction form
    573,366.58/791,229.11 = 315,243.28/x
  3. Step 3: Cross multiply
    573,366.58x = 791,229.11 × 315,243.28
  4. Step 4: Simplify right side
    573,366.58x = 249,429,656,603.28
  5. Step 5: Solve for x
    x = 249,429,656,603.28/573,366.58
  6. Step 6: Final answer
    x = 435,026.50

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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.