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Finding the Fourth Proportional to 341,432.60, 512,148.90 and 323,936.60

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Solution

The fourth proportional to 341,432.60, 512,148.90 and 323,936.60 is: 485,904.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    341,432.60 : 512,148.90 = 323,936.60 : x
  2. Step 2: Convert to fraction form
    341,432.60/512,148.90 = 323,936.60/x
  3. Step 3: Cross multiply
    341,432.60x = 512,148.90 × 323,936.60
  4. Step 4: Simplify right side
    341,432.60x = 165,903,773,359.74
  5. Step 5: Solve for x
    x = 165,903,773,359.74/341,432.60
  6. Step 6: Final answer
    x = 485,904.90

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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.