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Finding the Fourth Proportional to 580,043.34, 870,029.91 and 344,882.52

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Solution

The fourth proportional to 580,043.34, 870,029.91 and 344,882.52 is: 517,302.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    580,043.34 : 870,029.91 = 344,882.52 : x
  2. Step 2: Convert to fraction form
    580,043.34/870,029.91 = 344,882.52/x
  3. Step 3: Cross multiply
    580,043.34x = 870,029.91 × 344,882.52
  4. Step 4: Simplify right side
    580,043.34x = 300,058,107,836.17
  5. Step 5: Solve for x
    x = 300,058,107,836.17/580,043.34
  6. Step 6: Final answer
    x = 517,302.91

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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.