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Finding the Fourth Proportional to 418,828.71, 577,853.11 and 237,526.41

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Solution

The fourth proportional to 418,828.71, 577,853.11 and 237,526.41 is: 327,712.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    418,828.71 : 577,853.11 = 237,526.41 : x
  2. Step 2: Convert to fraction form
    418,828.71/577,853.11 = 237,526.41/x
  3. Step 3: Cross multiply
    418,828.71x = 577,853.11 × 237,526.41
  4. Step 4: Simplify right side
    418,828.71x = 137,255,374,725.64
  5. Step 5: Solve for x
    x = 137,255,374,725.64/418,828.71
  6. Step 6: Final answer
    x = 327,712.43

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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.