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Finding the Fourth Proportional to 573,446.38, 791,376.34 and 315,343.12

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Solution

The fourth proportional to 573,446.38, 791,376.34 and 315,343.12 is: 435,184.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    573,446.38 : 791,376.34 = 315,343.12 : x
  2. Step 2: Convert to fraction form
    573,446.38/791,376.34 = 315,343.12/x
  3. Step 3: Cross multiply
    573,446.38x = 791,376.34 × 315,343.12
  4. Step 4: Simplify right side
    573,446.38x = 249,555,080,192.90
  5. Step 5: Solve for x
    x = 249,555,080,192.90/573,446.38
  6. Step 6: Final answer
    x = 435,184.69

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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.