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Finding the Fourth Proportional to 363,451.28, 545,585.88 and 153,266

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Solution

The fourth proportional to 363,451.28, 545,585.88 and 153,266 is: 230,071.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    363,451.28 : 545,585.88 = 153,266 : x
  2. Step 2: Convert to fraction form
    363,451.28/545,585.88 = 153,266/x
  3. Step 3: Cross multiply
    363,451.28x = 545,585.88 × 153,266
  4. Step 4: Simplify right side
    363,451.28x = 83,619,765,484.08
  5. Step 5: Solve for x
    x = 83,619,765,484.08/363,451.28
  6. Step 6: Final answer
    x = 230,071.46

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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.