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Finding the Fourth Proportional to 363,779.40, 545,669.10 and 237,808.20

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Solution

The fourth proportional to 363,779.40, 545,669.10 and 237,808.20 is: 356,712.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    363,779.40 : 545,669.10 = 237,808.20 : x
  2. Step 2: Convert to fraction form
    363,779.40/545,669.10 = 237,808.20/x
  3. Step 3: Cross multiply
    363,779.40x = 545,669.10 × 237,808.20
  4. Step 4: Simplify right side
    363,779.40x = 129,764,586,466.62
  5. Step 5: Solve for x
    x = 129,764,586,466.62/363,779.40
  6. Step 6: Final answer
    x = 356,712.30

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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.