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Finding the Fourth Proportional to 573,568.74, 791,525.31 and 315,449.76

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Solution

The fourth proportional to 573,568.74, 791,525.31 and 315,449.76 is: 435,320.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    573,568.74 : 791,525.31 = 315,449.76 : x
  2. Step 2: Convert to fraction form
    573,568.74/791,525.31 = 315,449.76/x
  3. Step 3: Cross multiply
    573,568.74x = 791,525.31 × 315,449.76
  4. Step 4: Simplify right side
    573,568.74x = 249,686,469,073.43
  5. Step 5: Solve for x
    x = 249,686,469,073.43/573,568.74
  6. Step 6: Final answer
    x = 435,320.92

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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.