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Finding the Fourth Proportional to 370,308.06, 555,462.90 and 133,817.76

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Solution

The fourth proportional to 370,308.06, 555,462.90 and 133,817.76 is: 200,726.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    370,308.06 : 555,462.90 = 133,817.76 : x
  2. Step 2: Convert to fraction form
    370,308.06/555,462.90 = 133,817.76/x
  3. Step 3: Cross multiply
    370,308.06x = 555,462.90 × 133,817.76
  4. Step 4: Simplify right side
    370,308.06x = 74,330,801,041.10
  5. Step 5: Solve for x
    x = 74,330,801,041.10/370,308.06
  6. Step 6: Final answer
    x = 200,726.93

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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.