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Finding the Fourth Proportional to 366,267.31, 549,287.93 and 129,555.54

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Solution

The fourth proportional to 366,267.31, 549,287.93 and 129,555.54 is: 194,293.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    366,267.31 : 549,287.93 = 129,555.54 : x
  2. Step 2: Convert to fraction form
    366,267.31/549,287.93 = 129,555.54/x
  3. Step 3: Cross multiply
    366,267.31x = 549,287.93 × 129,555.54
  4. Step 4: Simplify right side
    366,267.31x = 71,163,294,710.52
  5. Step 5: Solve for x
    x = 71,163,294,710.52/366,267.31
  6. Step 6: Final answer
    x = 194,293.33

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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.