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Finding the Fourth Proportional to 604,651,447.20, 906,977,170.80 and 483,719,095.20

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Solution

The fourth proportional to 604,651,447.20, 906,977,170.80 and 483,719,095.20 is: 725,578,642.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    604,651,447.20 : 906,977,170.80 = 483,719,095.20 : x
  2. Step 2: Convert to fraction form
    604,651,447.20/906,977,170.80 = 483,719,095.20/x
  3. Step 3: Cross multiply
    604,651,447.20x = 906,977,170.80 × 483,719,095.20
  4. Step 4: Simplify right side
    604,651,447.20x = 438,722,176,426,431,808
  5. Step 5: Solve for x
    x = 438,722,176,426,431,808/604,651,447.20
  6. Step 6: Final answer
    x = 725,578,642.80

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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.