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Finding the Fourth Proportional to 363,303.96, 544,959 and 126,646.20

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Solution

The fourth proportional to 363,303.96, 544,959 and 126,646.20 is: 189,970.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    363,303.96 : 544,959 = 126,646.20 : x
  2. Step 2: Convert to fraction form
    363,303.96/544,959 = 126,646.20/x
  3. Step 3: Cross multiply
    363,303.96x = 544,959 × 126,646.20
  4. Step 4: Simplify right side
    363,303.96x = 69,016,986,505.80
  5. Step 5: Solve for x
    x = 69,016,986,505.80/363,303.96
  6. Step 6: Final answer
    x = 189,970.37

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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.