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Finding the Fourth Proportional to 316,334.30, 474,686.90 and 116,793.80

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Solution

The fourth proportional to 316,334.30, 474,686.90 and 116,793.80 is: 175,259.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    316,334.30 : 474,686.90 = 116,793.80 : x
  2. Step 2: Convert to fraction form
    316,334.30/474,686.90 = 116,793.80/x
  3. Step 3: Cross multiply
    316,334.30x = 474,686.90 × 116,793.80
  4. Step 4: Simplify right side
    316,334.30x = 55,440,486,121.87
  5. Step 5: Solve for x
    x = 55,440,486,121.87/316,334.30
  6. Step 6: Final answer
    x = 175,259.17

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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.