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Finding the Fourth Proportional to 548,057.20, 822,085.80 and 506,066.80

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Solution

The fourth proportional to 548,057.20, 822,085.80 and 506,066.80 is: 759,100.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    548,057.20 : 822,085.80 = 506,066.80 : x
  2. Step 2: Convert to fraction form
    548,057.20/822,085.80 = 506,066.80/x
  3. Step 3: Cross multiply
    548,057.20x = 822,085.80 × 506,066.80
  4. Step 4: Simplify right side
    548,057.20x = 416,030,330,131.44
  5. Step 5: Solve for x
    x = 416,030,330,131.44/548,057.20
  6. Step 6: Final answer
    x = 759,100.20

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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.