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Finding the Fourth Proportional to 506,013.20, 759,144.37 and 356,545.38

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Solution

The fourth proportional to 506,013.20, 759,144.37 and 356,545.38 is: 534,905.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    506,013.20 : 759,144.37 = 356,545.38 : x
  2. Step 2: Convert to fraction form
    506,013.20/759,144.37 = 356,545.38/x
  3. Step 3: Cross multiply
    506,013.20x = 759,144.37 × 356,545.38
  4. Step 4: Simplify right side
    506,013.20x = 270,669,417,876.51
  5. Step 5: Solve for x
    x = 270,669,417,876.51/506,013.20
  6. Step 6: Final answer
    x = 534,905.84

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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.