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Finding the Fourth Proportional to 530,878.90, 796,318.35 and 156,901.90

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Solution

The fourth proportional to 530,878.90, 796,318.35 and 156,901.90 is: 235,352.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    530,878.90 : 796,318.35 = 156,901.90 : x
  2. Step 2: Convert to fraction form
    530,878.90/796,318.35 = 156,901.90/x
  3. Step 3: Cross multiply
    530,878.90x = 796,318.35 × 156,901.90
  4. Step 4: Simplify right side
    530,878.90x = 124,943,862,119.87
  5. Step 5: Solve for x
    x = 124,943,862,119.87/530,878.90
  6. Step 6: Final answer
    x = 235,352.85

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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.