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Finding the Fourth Proportional to 546,156.80, 819,235.20 and 297,324.80

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Solution

The fourth proportional to 546,156.80, 819,235.20 and 297,324.80 is: 445,987.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    546,156.80 : 819,235.20 = 297,324.80 : x
  2. Step 2: Convert to fraction form
    546,156.80/819,235.20 = 297,324.80/x
  3. Step 3: Cross multiply
    546,156.80x = 819,235.20 × 297,324.80
  4. Step 4: Simplify right side
    546,156.80x = 243,578,941,992.96
  5. Step 5: Solve for x
    x = 243,578,941,992.96/546,156.80
  6. Step 6: Final answer
    x = 445,987.20

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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.