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Finding the Fourth Proportional to 373,248,015.80, 559,872,023.70 and 256,346,742.20

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Solution

The fourth proportional to 373,248,015.80, 559,872,023.70 and 256,346,742.20 is: 384,520,113.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    373,248,015.80 : 559,872,023.70 = 256,346,742.20 : x
  2. Step 2: Convert to fraction form
    373,248,015.80/559,872,023.70 = 256,346,742.20/x
  3. Step 3: Cross multiply
    373,248,015.80x = 559,872,023.70 × 256,346,742.20
  4. Step 4: Simplify right side
    373,248,015.80x = 143,521,369,324,416,192
  5. Step 5: Solve for x
    x = 143,521,369,324,416,192/373,248,015.80
  6. Step 6: Final answer
    x = 384,520,113.30

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