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Finding the Fourth Proportional to 493,150.30, 739,071.52 and 253,254.51

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Solution

The fourth proportional to 493,150.30, 739,071.52 and 253,254.51 is: 379,545.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    493,150.30 : 739,071.52 = 253,254.51 : x
  2. Step 2: Convert to fraction form
    493,150.30/739,071.52 = 253,254.51/x
  3. Step 3: Cross multiply
    493,150.30x = 739,071.52 × 253,254.51
  4. Step 4: Simplify right side
    493,150.30x = 187,173,191,957.20
  5. Step 5: Solve for x
    x = 187,173,191,957.20/493,150.30
  6. Step 6: Final answer
    x = 379,545.94

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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.