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Finding the Fourth Proportional to 370,691.64, 555,838.20 and 117,903.60

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Solution

The fourth proportional to 370,691.64, 555,838.20 and 117,903.60 is: 176,792.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    370,691.64 : 555,838.20 = 117,903.60 : x
  2. Step 2: Convert to fraction form
    370,691.64/555,838.20 = 117,903.60/x
  3. Step 3: Cross multiply
    370,691.64x = 555,838.20 × 117,903.60
  4. Step 4: Simplify right side
    370,691.64x = 65,535,324,797.52
  5. Step 5: Solve for x
    x = 65,535,324,797.52/370,691.64
  6. Step 6: Final answer
    x = 176,792.02

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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.