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Finding the Fourth Proportional to 479,548,309.60, 719,322,464.40 and 479,548,309.60

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Solution

The fourth proportional to 479,548,309.60, 719,322,464.40 and 479,548,309.60 is: 719,322,464.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    479,548,309.60 : 719,322,464.40 = 479,548,309.60 : x
  2. Step 2: Convert to fraction form
    479,548,309.60/719,322,464.40 = 479,548,309.60/x
  3. Step 3: Cross multiply
    479,548,309.60x = 719,322,464.40 × 479,548,309.60
  4. Step 4: Simplify right side
    479,548,309.60x = 344,949,871,860,326,208
  5. Step 5: Solve for x
    x = 344,949,871,860,326,208/479,548,309.60
  6. Step 6: Final answer
    x = 719,322,464.40

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Similar ratio
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1.5x scale

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.