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Finding the Fourth Proportional to 347,864.30, 521,504.85 and 181,652.30

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Solution

The fourth proportional to 347,864.30, 521,504.85 and 181,652.30 is: 272,326.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    347,864.30 : 521,504.85 = 181,652.30 : x
  2. Step 2: Convert to fraction form
    347,864.30/521,504.85 = 181,652.30/x
  3. Step 3: Cross multiply
    347,864.30x = 521,504.85 × 181,652.30
  4. Step 4: Simplify right side
    347,864.30x = 94,732,555,463.66
  5. Step 5: Solve for x
    x = 94,732,555,463.66/347,864.30
  6. Step 6: Final answer
    x = 272,326.18

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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.