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Finding the Fourth Proportional to 415,335.48, 622,737.07 and 175,384.39

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Solution

The fourth proportional to 415,335.48, 622,737.07 and 175,384.39 is: 262,964.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    415,335.48 : 622,737.07 = 175,384.39 : x
  2. Step 2: Convert to fraction form
    415,335.48/622,737.07 = 175,384.39/x
  3. Step 3: Cross multiply
    415,335.48x = 622,737.07 × 175,384.39
  4. Step 4: Simplify right side
    415,335.48x = 109,218,360,275.42
  5. Step 5: Solve for x
    x = 109,218,360,275.42/415,335.48
  6. Step 6: Final answer
    x = 262,964.20

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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.