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Finding the Fourth Proportional to 363,669.90, 545,504.85 and 237,698.70

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Solution

The fourth proportional to 363,669.90, 545,504.85 and 237,698.70 is: 356,548.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    363,669.90 : 545,504.85 = 237,698.70 : x
  2. Step 2: Convert to fraction form
    363,669.90/545,504.85 = 237,698.70/x
  3. Step 3: Cross multiply
    363,669.90x = 545,504.85 × 237,698.70
  4. Step 4: Simplify right side
    363,669.90x = 129,665,793,688.70
  5. Step 5: Solve for x
    x = 129,665,793,688.70/363,669.90
  6. Step 6: Final answer
    x = 356,548.05

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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.