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Finding the Fourth Proportional to 593,216.40, 889,817.20 and 143,941

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Solution

The fourth proportional to 593,216.40, 889,817.20 and 143,941 is: 215,909.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    593,216.40 : 889,817.20 = 143,941 : x
  2. Step 2: Convert to fraction form
    593,216.40/889,817.20 = 143,941/x
  3. Step 3: Cross multiply
    593,216.40x = 889,817.20 × 143,941
  4. Step 4: Simplify right side
    593,216.40x = 128,081,177,585.20
  5. Step 5: Solve for x
    x = 128,081,177,585.20/593,216.40
  6. Step 6: Final answer
    x = 215,909.70

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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.