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Finding the Fourth Proportional to 604,988,998.80, 907,483,498.20 and 484,056,646.80

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Solution

The fourth proportional to 604,988,998.80, 907,483,498.20 and 484,056,646.80 is: 726,084,970.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    604,988,998.80 : 907,483,498.20 = 484,056,646.80 : x
  2. Step 2: Convert to fraction form
    604,988,998.80/907,483,498.20 = 484,056,646.80/x
  3. Step 3: Cross multiply
    604,988,998.80x = 907,483,498.20 × 484,056,646.80
  4. Step 4: Simplify right side
    604,988,998.80x = 439,273,419,165,025,856
  5. Step 5: Solve for x
    x = 439,273,419,165,025,856/604,988,998.80
  6. Step 6: Final answer
    x = 726,084,970.20

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Similar ratio
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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.