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Finding the Fourth Proportional to 479,293.68, 718,958.88 and 124,298.40

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Solution

The fourth proportional to 479,293.68, 718,958.88 and 124,298.40 is: 186,452.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    479,293.68 : 718,958.88 = 124,298.40 : x
  2. Step 2: Convert to fraction form
    479,293.68/718,958.88 = 124,298.40/x
  3. Step 3: Cross multiply
    479,293.68x = 718,958.88 × 124,298.40
  4. Step 4: Simplify right side
    479,293.68x = 89,365,438,449.79
  5. Step 5: Solve for x
    x = 89,365,438,449.79/479,293.68
  6. Step 6: Final answer
    x = 186,452.36

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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.