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Finding the Fourth Proportional to 546,852.20, 820,278.30 and 534,564.20

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Solution

The fourth proportional to 546,852.20, 820,278.30 and 534,564.20 is: 801,846.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    546,852.20 : 820,278.30 = 534,564.20 : x
  2. Step 2: Convert to fraction form
    546,852.20/820,278.30 = 534,564.20/x
  3. Step 3: Cross multiply
    546,852.20x = 820,278.30 × 534,564.20
  4. Step 4: Simplify right side
    546,852.20x = 438,491,413,216.86
  5. Step 5: Solve for x
    x = 438,491,413,216.86/546,852.20
  6. Step 6: Final answer
    x = 801,846.30

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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.