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Finding the Fourth Proportional to 587,319.90, 880,979.85 and 351,123.90

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Solution

The fourth proportional to 587,319.90, 880,979.85 and 351,123.90 is: 526,685.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    587,319.90 : 880,979.85 = 351,123.90 : x
  2. Step 2: Convert to fraction form
    587,319.90/880,979.85 = 351,123.90/x
  3. Step 3: Cross multiply
    587,319.90x = 880,979.85 × 351,123.90
  4. Step 4: Simplify right side
    587,319.90x = 309,333,080,753.42
  5. Step 5: Solve for x
    x = 309,333,080,753.42/587,319.90
  6. Step 6: Final answer
    x = 526,685.85

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Similar ratio
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1.5x scale

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.