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Finding the Fourth Proportional to 397,167,449.80, 595,751,174.70 and 124,502,787.40

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Solution

The fourth proportional to 397,167,449.80, 595,751,174.70 and 124,502,787.40 is: 186,754,181.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    397,167,449.80 : 595,751,174.70 = 124,502,787.40 : x
  2. Step 2: Convert to fraction form
    397,167,449.80/595,751,174.70 = 124,502,787.40/x
  3. Step 3: Cross multiply
    397,167,449.80x = 595,751,174.70 × 124,502,787.40
  4. Step 4: Simplify right side
    397,167,449.80x = 74,172,681,846,974,368
  5. Step 5: Solve for x
    x = 74,172,681,846,974,368/397,167,449.80
  6. Step 6: Final answer
    x = 186,754,181.10

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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.