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Finding the Fourth Proportional to 367,475.79, 551,424.19 and 142,807.11

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Solution

The fourth proportional to 367,475.79, 551,424.19 and 142,807.11 is: 214,292.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    367,475.79 : 551,424.19 = 142,807.11 : x
  2. Step 2: Convert to fraction form
    367,475.79/551,424.19 = 142,807.11/x
  3. Step 3: Cross multiply
    367,475.79x = 551,424.19 × 142,807.11
  4. Step 4: Simplify right side
    367,475.79x = 78,747,294,957.99
  5. Step 5: Solve for x
    x = 78,747,294,957.99/367,475.79
  6. Step 6: Final answer
    x = 214,292.47

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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.