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Finding the Fourth Proportional to 483,987,261.60, 726,264,327.60 and 177,310,375.20

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Solution

The fourth proportional to 483,987,261.60, 726,264,327.60 and 177,310,375.20 is: 266,069,400.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    483,987,261.60 : 726,264,327.60 = 177,310,375.20 : x
  2. Step 2: Convert to fraction form
    483,987,261.60/726,264,327.60 = 177,310,375.20/x
  3. Step 3: Cross multiply
    483,987,261.60x = 726,264,327.60 × 177,310,375.20
  4. Step 4: Simplify right side
    483,987,261.60x = 128,774,200,421,131,712
  5. Step 5: Solve for x
    x = 128,774,200,421,131,712/483,987,261.60
  6. Step 6: Final answer
    x = 266,069,400.25

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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.