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Finding the Fourth Proportional to 587,319.15, 880,978.73 and 351,123.15

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Solution

The fourth proportional to 587,319.15, 880,978.73 and 351,123.15 is: 526,684.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    587,319.15 : 880,978.73 = 351,123.15 : x
  2. Step 2: Convert to fraction form
    587,319.15/880,978.73 = 351,123.15/x
  3. Step 3: Cross multiply
    587,319.15x = 880,978.73 × 351,123.15
  4. Step 4: Simplify right side
    587,319.15x = 309,332,025,004.98
  5. Step 5: Solve for x
    x = 309,332,025,004.98/587,319.15
  6. Step 6: Final answer
    x = 526,684.73

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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.