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Finding the Fourth Proportional to 370,443.52, 555,668.04 and 104,230.96

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Solution

The fourth proportional to 370,443.52, 555,668.04 and 104,230.96 is: 156,347.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    370,443.52 : 555,668.04 = 104,230.96 : x
  2. Step 2: Convert to fraction form
    370,443.52/555,668.04 = 104,230.96/x
  3. Step 3: Cross multiply
    370,443.52x = 555,668.04 × 104,230.96
  4. Step 4: Simplify right side
    370,443.52x = 57,917,813,250.52
  5. Step 5: Solve for x
    x = 57,917,813,250.52/370,443.52
  6. Step 6: Final answer
    x = 156,347.22

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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.