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Finding the Fourth Proportional to 577,454,433.60, 866,181,650.40 and 347,871,921.60

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Solution

The fourth proportional to 577,454,433.60, 866,181,650.40 and 347,871,921.60 is: 521,807,882.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    577,454,433.60 : 866,181,650.40 = 347,871,921.60 : x
  2. Step 2: Convert to fraction form
    577,454,433.60/866,181,650.40 = 347,871,921.60/x
  3. Step 3: Cross multiply
    577,454,433.60x = 866,181,650.40 × 347,871,921.60
  4. Step 4: Simplify right side
    577,454,433.60x = 301,320,275,179,307,392
  5. Step 5: Solve for x
    x = 301,320,275,179,307,392/577,454,433.60
  6. Step 6: Final answer
    x = 521,807,882.40

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Double scale
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Similar ratio
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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.