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Finding the Fourth Proportional to 593,617.88, 888,949.71 and 415,289.90

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Solution

The fourth proportional to 593,617.88, 888,949.71 and 415,289.90 is: 621,901.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    593,617.88 : 888,949.71 = 415,289.90 : x
  2. Step 2: Convert to fraction form
    593,617.88/888,949.71 = 415,289.90/x
  3. Step 3: Cross multiply
    593,617.88x = 888,949.71 × 415,289.90
  4. Step 4: Simplify right side
    593,617.88x = 369,171,836,170.93
  5. Step 5: Solve for x
    x = 369,171,836,170.93/593,617.88
  6. Step 6: Final answer
    x = 621,901.48

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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.