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Finding the Fourth Proportional to 472,689.02, 652,312.90 and 257,833.70

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Solution

The fourth proportional to 472,689.02, 652,312.90 and 257,833.70 is: 355,811.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    472,689.02 : 652,312.90 = 257,833.70 : x
  2. Step 2: Convert to fraction form
    472,689.02/652,312.90 = 257,833.70/x
  3. Step 3: Cross multiply
    472,689.02x = 652,312.90 × 257,833.70
  4. Step 4: Simplify right side
    472,689.02x = 168,188,248,564.73
  5. Step 5: Solve for x
    x = 168,188,248,564.73/472,689.02
  6. Step 6: Final answer
    x = 355,811.63

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