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Finding the Fourth Proportional to 548,304.30, 822,456.45 and 232,720.20

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Solution

The fourth proportional to 548,304.30, 822,456.45 and 232,720.20 is: 349,080.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    548,304.30 : 822,456.45 = 232,720.20 : x
  2. Step 2: Convert to fraction form
    548,304.30/822,456.45 = 232,720.20/x
  3. Step 3: Cross multiply
    548,304.30x = 822,456.45 × 232,720.20
  4. Step 4: Simplify right side
    548,304.30x = 191,402,229,535.29
  5. Step 5: Solve for x
    x = 191,402,229,535.29/548,304.30
  6. Step 6: Final answer
    x = 349,080.30

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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.