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Finding the Fourth Proportional to 559,337.45, 771,881.74 and 304,688.63

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Solution

The fourth proportional to 559,337.45, 771,881.74 and 304,688.63 is: 420,468.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    559,337.45 : 771,881.74 = 304,688.63 : x
  2. Step 2: Convert to fraction form
    559,337.45/771,881.74 = 304,688.63/x
  3. Step 3: Cross multiply
    559,337.45x = 771,881.74 × 304,688.63
  4. Step 4: Simplify right side
    559,337.45x = 235,183,591,050.60
  5. Step 5: Solve for x
    x = 235,183,591,050.60/559,337.45
  6. Step 6: Final answer
    x = 420,468.17

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