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Finding the Fourth Proportional to 474,060, 711,090.06 and 141,636

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Solution

The fourth proportional to 474,060, 711,090.06 and 141,636 is: 212,454.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    474,060 : 711,090.06 = 141,636 : x
  2. Step 2: Convert to fraction form
    474,060/711,090.06 = 141,636/x
  3. Step 3: Cross multiply
    474,060x = 711,090.06 × 141,636
  4. Step 4: Simplify right side
    474,060x = 100,715,951,738.16
  5. Step 5: Solve for x
    x = 100,715,951,738.16/474,060
  6. Step 6: Final answer
    x = 212,454.02

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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.