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Finding the Fourth Proportional to 363,055,058.40, 544,511,728.80 and 120,717,962.40

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Solution

The fourth proportional to 363,055,058.40, 544,511,728.80 and 120,717,962.40 is: 181,053,382.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    363,055,058.40 : 544,511,728.80 = 120,717,962.40 : x
  2. Step 2: Convert to fraction form
    363,055,058.40/544,511,728.80 = 120,717,962.40/x
  3. Step 3: Cross multiply
    363,055,058.40x = 544,511,728.80 × 120,717,962.40
  4. Step 4: Simplify right side
    363,055,058.40x = 65,732,346,403,637,392
  5. Step 5: Solve for x
    x = 65,732,346,403,637,392/363,055,058.40
  6. Step 6: Final answer
    x = 181,053,382.63

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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.