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Finding the Fourth Proportional to 302,438.80, 453,904.24 and 292,597.30

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Solution

The fourth proportional to 302,438.80, 453,904.24 and 292,597.30 is: 439,133.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    302,438.80 : 453,904.24 = 292,597.30 : x
  2. Step 2: Convert to fraction form
    302,438.80/453,904.24 = 292,597.30/x
  3. Step 3: Cross multiply
    302,438.80x = 453,904.24 × 292,597.30
  4. Step 4: Simplify right side
    302,438.80x = 132,811,155,082.55
  5. Step 5: Solve for x
    x = 132,811,155,082.55/302,438.80
  6. Step 6: Final answer
    x = 439,133.98

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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.