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Finding the Fourth Proportional to 346,098.30, 519,147.45 and 341,432.70

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Solution

The fourth proportional to 346,098.30, 519,147.45 and 341,432.70 is: 512,149.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    346,098.30 : 519,147.45 = 341,432.70 : x
  2. Step 2: Convert to fraction form
    346,098.30/519,147.45 = 341,432.70/x
  3. Step 3: Cross multiply
    346,098.30x = 519,147.45 × 341,432.70
  4. Step 4: Simplify right side
    346,098.30x = 177,253,915,551.62
  5. Step 5: Solve for x
    x = 177,253,915,551.62/346,098.30
  6. Step 6: Final answer
    x = 512,149.05

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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.