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Finding the Fourth Proportional to 498,652.63, 747,978.91 and 124,675.63

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Solution

The fourth proportional to 498,652.63, 747,978.91 and 124,675.63 is: 187,013.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    498,652.63 : 747,978.91 = 124,675.63 : x
  2. Step 2: Convert to fraction form
    498,652.63/747,978.91 = 124,675.63/x
  3. Step 3: Cross multiply
    498,652.63x = 747,978.91 × 124,675.63
  4. Step 4: Simplify right side
    498,652.63x = 93,254,739,649.33
  5. Step 5: Solve for x
    x = 93,254,739,649.33/498,652.63
  6. Step 6: Final answer
    x = 187,013.43

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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.