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Finding the Fourth Proportional to 375,885.72, 564,309.92 and 322,916.58

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Solution

The fourth proportional to 375,885.72, 564,309.92 and 322,916.58 is: 484,788.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    375,885.72 : 564,309.92 = 322,916.58 : x
  2. Step 2: Convert to fraction form
    375,885.72/564,309.92 = 322,916.58/x
  3. Step 3: Cross multiply
    375,885.72x = 564,309.92 × 322,916.58
  4. Step 4: Simplify right side
    375,885.72x = 182,225,027,811.89
  5. Step 5: Solve for x
    x = 182,225,027,811.89/375,885.72
  6. Step 6: Final answer
    x = 484,788.38

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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.