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Finding the Fourth Proportional to 593,616.88, 888,948.21 and 415,288.90

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Solution

The fourth proportional to 593,616.88, 888,948.21 and 415,288.90 is: 621,899.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    593,616.88 : 888,948.21 = 415,288.90 : x
  2. Step 2: Convert to fraction form
    593,616.88/888,948.21 = 415,288.90/x
  3. Step 3: Cross multiply
    593,616.88x = 888,948.21 × 415,288.90
  4. Step 4: Simplify right side
    593,616.88x = 369,170,324,287.87
  5. Step 5: Solve for x
    x = 369,170,324,287.87/593,616.88
  6. Step 6: Final answer
    x = 621,899.98

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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.