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Finding the Fourth Proportional to 577,368,018.60, 866,052,027.90 and 254,881,746.60

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Solution

The fourth proportional to 577,368,018.60, 866,052,027.90 and 254,881,746.60 is: 382,322,619.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    577,368,018.60 : 866,052,027.90 = 254,881,746.60 : x
  2. Step 2: Convert to fraction form
    577,368,018.60/866,052,027.90 = 254,881,746.60/x
  3. Step 3: Cross multiply
    577,368,018.60x = 866,052,027.90 × 254,881,746.60
  4. Step 4: Simplify right side
    577,368,018.60x = 220,740,853,517,623,904
  5. Step 5: Solve for x
    x = 220,740,853,517,623,904/577,368,018.60
  6. Step 6: Final answer
    x = 382,322,619.90

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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.