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Finding the Fourth Proportional to 587,001.72, 880,637.04 and 213,024.72

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Solution

The fourth proportional to 587,001.72, 880,637.04 and 213,024.72 is: 319,585.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    587,001.72 : 880,637.04 = 213,024.72 : x
  2. Step 2: Convert to fraction form
    587,001.72/880,637.04 = 213,024.72/x
  3. Step 3: Cross multiply
    587,001.72x = 880,637.04 × 213,024.72
  4. Step 4: Simplify right side
    587,001.72x = 187,597,458,867.63
  5. Step 5: Solve for x
    x = 187,597,458,867.63/587,001.72
  6. Step 6: Final answer
    x = 319,585.88

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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.