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Finding the Fourth Proportional to 604,403,480.40, 906,605,220.60 and 195,500,965.20

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Solution

The fourth proportional to 604,403,480.40, 906,605,220.60 and 195,500,965.20 is: 293,251,447.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    604,403,480.40 : 906,605,220.60 = 195,500,965.20 : x
  2. Step 2: Convert to fraction form
    604,403,480.40/906,605,220.60 = 195,500,965.20/x
  3. Step 3: Cross multiply
    604,403,480.40x = 906,605,220.60 × 195,500,965.20
  4. Step 4: Simplify right side
    604,403,480.40x = 177,242,195,682,658,912
  5. Step 5: Solve for x
    x = 177,242,195,682,658,912/604,403,480.40
  6. Step 6: Final answer
    x = 293,251,447.80

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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.