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Finding the Fourth Proportional to 543,219.20, 814,828.80 and 532,721.60

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Solution

The fourth proportional to 543,219.20, 814,828.80 and 532,721.60 is: 799,082.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    543,219.20 : 814,828.80 = 532,721.60 : x
  2. Step 2: Convert to fraction form
    543,219.20/814,828.80 = 532,721.60/x
  3. Step 3: Cross multiply
    543,219.20x = 814,828.80 × 532,721.60
  4. Step 4: Simplify right side
    543,219.20x = 434,076,902,062.08
  5. Step 5: Solve for x
    x = 434,076,902,062.08/543,219.20
  6. Step 6: Final answer
    x = 799,082.40

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Similar ratio
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1.5x scale

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.