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Finding the Fourth Proportional to 474,181.20, 711,123.72 and 158,564.40

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Solution

The fourth proportional to 474,181.20, 711,123.72 and 158,564.40 is: 237,797.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    474,181.20 : 711,123.72 = 158,564.40 : x
  2. Step 2: Convert to fraction form
    474,181.20/711,123.72 = 158,564.40/x
  3. Step 3: Cross multiply
    474,181.20x = 711,123.72 × 158,564.40
  4. Step 4: Simplify right side
    474,181.20x = 112,758,905,987.57
  5. Step 5: Solve for x
    x = 112,758,905,987.57/474,181.20
  6. Step 6: Final answer
    x = 237,797.08

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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.