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Finding the Fourth Proportional to 498,293.10, 747,439.65 and 346,077.90

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Solution

The fourth proportional to 498,293.10, 747,439.65 and 346,077.90 is: 519,116.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    498,293.10 : 747,439.65 = 346,077.90 : x
  2. Step 2: Convert to fraction form
    498,293.10/747,439.65 = 346,077.90/x
  3. Step 3: Cross multiply
    498,293.10x = 747,439.65 × 346,077.90
  4. Step 4: Simplify right side
    498,293.10x = 258,672,344,448.74
  5. Step 5: Solve for x
    x = 258,672,344,448.74/498,293.10
  6. Step 6: Final answer
    x = 519,116.85

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Similar ratio
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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.