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Finding the Fourth Proportional to 453,414.60, 680,645.70 and 243,462.60

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Solution

The fourth proportional to 453,414.60, 680,645.70 and 243,462.60 is: 365,475.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    453,414.60 : 680,645.70 = 243,462.60 : x
  2. Step 2: Convert to fraction form
    453,414.60/680,645.70 = 243,462.60/x
  3. Step 3: Cross multiply
    453,414.60x = 680,645.70 × 243,462.60
  4. Step 4: Simplify right side
    453,414.60x = 165,711,771,800.82
  5. Step 5: Solve for x
    x = 165,711,771,800.82/453,414.60
  6. Step 6: Final answer
    x = 365,475.16

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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.