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Finding the Fourth Proportional to 366,233, 549,352.92 and 129,615.80

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Solution

The fourth proportional to 366,233, 549,352.92 and 129,615.80 is: 194,424.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    366,233 : 549,352.92 = 129,615.80 : x
  2. Step 2: Convert to fraction form
    366,233/549,352.92 = 129,615.80/x
  3. Step 3: Cross multiply
    366,233x = 549,352.92 × 129,615.80
  4. Step 4: Simplify right side
    366,233x = 71,204,818,208.14
  5. Step 5: Solve for x
    x = 71,204,818,208.14/366,233
  6. Step 6: Final answer
    x = 194,424.91

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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.