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Finding the Fourth Proportional to 363,777.40, 545,666.10 and 237,806.20

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Solution

The fourth proportional to 363,777.40, 545,666.10 and 237,806.20 is: 356,709.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    363,777.40 : 545,666.10 = 237,806.20 : x
  2. Step 2: Convert to fraction form
    363,777.40/545,666.10 = 237,806.20/x
  3. Step 3: Cross multiply
    363,777.40x = 545,666.10 × 237,806.20
  4. Step 4: Simplify right side
    363,777.40x = 129,762,781,709.82
  5. Step 5: Solve for x
    x = 129,762,781,709.82/363,777.40
  6. Step 6: Final answer
    x = 356,709.30

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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.