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Finding the Fourth Proportional to 418,507.52, 577,585.47 and 237,199.96

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Solution

The fourth proportional to 418,507.52, 577,585.47 and 237,199.96 is: 327,361.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    418,507.52 : 577,585.47 = 237,199.96 : x
  2. Step 2: Convert to fraction form
    418,507.52/577,585.47 = 237,199.96/x
  3. Step 3: Cross multiply
    418,507.52x = 577,585.47 × 237,199.96
  4. Step 4: Simplify right side
    418,507.52x = 137,003,246,306.65
  5. Step 5: Solve for x
    x = 137,003,246,306.65/418,507.52
  6. Step 6: Final answer
    x = 327,361.49

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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.