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Finding the Fourth Proportional to 564,411.24, 776,988.18 and 488,977.97

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Solution

The fourth proportional to 564,411.24, 776,988.18 and 488,977.97 is: 673,144.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    564,411.24 : 776,988.18 = 488,977.97 : x
  2. Step 2: Convert to fraction form
    564,411.24/776,988.18 = 488,977.97/x
  3. Step 3: Cross multiply
    564,411.24x = 776,988.18 × 488,977.97
  4. Step 4: Simplify right side
    564,411.24x = 379,930,099,085.45
  5. Step 5: Solve for x
    x = 379,930,099,085.45/564,411.24
  6. Step 6: Final answer
    x = 673,144.11

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