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Finding the Fourth Proportional to 474,549.60, 711,617.01 and 142,047.84

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Solution

The fourth proportional to 474,549.60, 711,617.01 and 142,047.84 is: 213,009.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    474,549.60 : 711,617.01 = 142,047.84 : x
  2. Step 2: Convert to fraction form
    474,549.60/711,617.01 = 142,047.84/x
  3. Step 3: Cross multiply
    474,549.60x = 711,617.01 × 142,047.84
  4. Step 4: Simplify right side
    474,549.60x = 101,083,659,177.76
  5. Step 5: Solve for x
    x = 101,083,659,177.76/474,549.60
  6. Step 6: Final answer
    x = 213,009.68

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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.