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Finding the Fourth Proportional to 604,418,331.60, 906,179,599.80 and 409,844,149.20

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Solution

The fourth proportional to 604,418,331.60, 906,179,599.80 and 409,844,149.20 is: 614,462,513.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    604,418,331.60 : 906,179,599.80 = 409,844,149.20 : x
  2. Step 2: Convert to fraction form
    604,418,331.60/906,179,599.80 = 409,844,149.20/x
  3. Step 3: Cross multiply
    604,418,331.60x = 906,179,599.80 × 409,844,149.20
  4. Step 4: Simplify right side
    604,418,331.60x = 371,392,407,102,427,456
  5. Step 5: Solve for x
    x = 371,392,407,102,427,456/604,418,331.60
  6. Step 6: Final answer
    x = 614,462,513.27

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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.