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Finding the Fourth Proportional to 559,060.20, 838,244.70 and 322,285.80

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Solution

The fourth proportional to 559,060.20, 838,244.70 and 322,285.80 is: 483,229.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    559,060.20 : 838,244.70 = 322,285.80 : x
  2. Step 2: Convert to fraction form
    559,060.20/838,244.70 = 322,285.80/x
  3. Step 3: Cross multiply
    559,060.20x = 838,244.70 × 322,285.80
  4. Step 4: Simplify right side
    559,060.20x = 270,154,363,735.26
  5. Step 5: Solve for x
    x = 270,154,363,735.26/559,060.20
  6. Step 6: Final answer
    x = 483,229.47

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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.