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Finding the Fourth Proportional to 577,368,129.60, 866,052,194.40 and 254,881,857.60

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Solution

The fourth proportional to 577,368,129.60, 866,052,194.40 and 254,881,857.60 is: 382,322,786.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    577,368,129.60 : 866,052,194.40 = 254,881,857.60 : x
  2. Step 2: Convert to fraction form
    577,368,129.60/866,052,194.40 = 254,881,857.60/x
  3. Step 3: Cross multiply
    577,368,129.60x = 866,052,194.40 × 254,881,857.60
  4. Step 4: Simplify right side
    577,368,129.60x = 220,740,992,087,228,320
  5. Step 5: Solve for x
    x = 220,740,992,087,228,320/577,368,129.60
  6. Step 6: Final answer
    x = 382,322,786.40

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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.