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Finding the Fourth Proportional to 418,848.75, 577,967.54 and 237,502.71

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Solution

The fourth proportional to 418,848.75, 577,967.54 and 237,502.71 is: 327,728.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    418,848.75 : 577,967.54 = 237,502.71 : x
  2. Step 2: Convert to fraction form
    418,848.75/577,967.54 = 237,502.71/x
  3. Step 3: Cross multiply
    418,848.75x = 577,967.54 × 237,502.71
  4. Step 4: Simplify right side
    418,848.75x = 137,268,855,854.52
  5. Step 5: Solve for x
    x = 137,268,855,854.52/418,848.75
  6. Step 6: Final answer
    x = 327,728.94

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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.