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Finding the Fourth Proportional to 604,403,421.40, 906,605,132.10 and 195,500,906.20

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Solution

The fourth proportional to 604,403,421.40, 906,605,132.10 and 195,500,906.20 is: 293,251,359.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    604,403,421.40 : 906,605,132.10 = 195,500,906.20 : x
  2. Step 2: Convert to fraction form
    604,403,421.40/906,605,132.10 = 195,500,906.20/x
  3. Step 3: Cross multiply
    604,403,421.40x = 906,605,132.10 × 195,500,906.20
  4. Step 4: Simplify right side
    604,403,421.40x = 177,242,124,891,120,704
  5. Step 5: Solve for x
    x = 177,242,124,891,120,704/604,403,421.40
  6. Step 6: Final answer
    x = 293,251,359.30

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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.