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Finding the Fourth Proportional to 559,220.16, 838,767.44 and 154,469.90

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Solution

The fourth proportional to 559,220.16, 838,767.44 and 154,469.90 is: 231,687.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    559,220.16 : 838,767.44 = 154,469.90 : x
  2. Step 2: Convert to fraction form
    559,220.16/838,767.44 = 154,469.90/x
  3. Step 3: Cross multiply
    559,220.16x = 838,767.44 × 154,469.90
  4. Step 4: Simplify right side
    559,220.16x = 129,564,322,580.06
  5. Step 5: Solve for x
    x = 129,564,322,580.06/559,220.16
  6. Step 6: Final answer
    x = 231,687.50

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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.