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Finding the Fourth Proportional to 468,642.15, 702,963.23 and 343,304.55

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Solution

The fourth proportional to 468,642.15, 702,963.23 and 343,304.55 is: 514,956.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    468,642.15 : 702,963.23 = 343,304.55 : x
  2. Step 2: Convert to fraction form
    468,642.15/702,963.23 = 343,304.55/x
  3. Step 3: Cross multiply
    468,642.15x = 702,963.23 × 343,304.55
  4. Step 4: Simplify right side
    468,642.15x = 241,330,475,341.70
  5. Step 5: Solve for x
    x = 241,330,475,341.70/468,642.15
  6. Step 6: Final answer
    x = 514,956.83

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.