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Finding the Fourth Proportional to 548,520.02, 822,240.18 and 320,526.28

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Solution

The fourth proportional to 548,520.02, 822,240.18 and 320,526.28 is: 480,473.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    548,520.02 : 822,240.18 = 320,526.28 : x
  2. Step 2: Convert to fraction form
    548,520.02/822,240.18 = 320,526.28/x
  3. Step 3: Cross multiply
    548,520.02x = 822,240.18 × 320,526.28
  4. Step 4: Simplify right side
    548,520.02x = 263,549,587,189.73
  5. Step 5: Solve for x
    x = 263,549,587,189.73/548,520.02
  6. Step 6: Final answer
    x = 480,473.96

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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.