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Finding the Fourth Proportional to 364,275.79, 546,082.90 and 127,489.30

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Solution

The fourth proportional to 364,275.79, 546,082.90 and 127,489.30 is: 191,118.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    364,275.79 : 546,082.90 = 127,489.30 : x
  2. Step 2: Convert to fraction form
    364,275.79/546,082.90 = 127,489.30/x
  3. Step 3: Cross multiply
    364,275.79x = 546,082.90 × 127,489.30
  4. Step 4: Simplify right side
    364,275.79x = 69,619,726,873.46
  5. Step 5: Solve for x
    x = 69,619,726,873.46/364,275.79
  6. Step 6: Final answer
    x = 191,118.18

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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.