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Finding the Fourth Proportional to 519,336.74, 779,005.10 and 125,352.74

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Solution

The fourth proportional to 519,336.74, 779,005.10 and 125,352.74 is: 188,029.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    519,336.74 : 779,005.10 = 125,352.74 : x
  2. Step 2: Convert to fraction form
    519,336.74/779,005.10 = 125,352.74/x
  3. Step 3: Cross multiply
    519,336.74x = 779,005.10 × 125,352.74
  4. Step 4: Simplify right side
    519,336.74x = 97,650,423,758.97
  5. Step 5: Solve for x
    x = 97,650,423,758.97/519,336.74
  6. Step 6: Final answer
    x = 188,029.11

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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.