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Finding the Fourth Proportional to 363,982,693.80, 545,974,040.70 and 241,538,687.40

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Solution

The fourth proportional to 363,982,693.80, 545,974,040.70 and 241,538,687.40 is: 362,308,031.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    363,982,693.80 : 545,974,040.70 = 241,538,687.40 : x
  2. Step 2: Convert to fraction form
    363,982,693.80/545,974,040.70 = 241,538,687.40/x
  3. Step 3: Cross multiply
    363,982,693.80x = 545,974,040.70 × 241,538,687.40
  4. Step 4: Simplify right side
    363,982,693.80x = 131,873,853,145,152,192
  5. Step 5: Solve for x
    x = 131,873,853,145,152,192/363,982,693.80
  6. Step 6: Final answer
    x = 362,308,031.10

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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.