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Finding the Fourth Proportional to 904,796,604, 1,248,720,656.40 and 547,761,175.20

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Solution

The fourth proportional to 904,796,604, 1,248,720,656.40 and 547,761,175.20 is: 755,971,774.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    904,796,604 : 1,248,720,656.40 = 547,761,175.20 : x
  2. Step 2: Convert to fraction form
    904,796,604/1,248,720,656.40 = 547,761,175.20/x
  3. Step 3: Cross multiply
    904,796,604x = 1,248,720,656.40 × 547,761,175.20
  4. Step 4: Simplify right side
    904,796,604x = 684,000,694,246,179,456
  5. Step 5: Solve for x
    x = 684,000,694,246,179,456/904,796,604
  6. Step 6: Final answer
    x = 755,971,774.45

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.