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Finding the Fourth Proportional to 546,422.08, 819,633.28 and 147,063.84

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Solution

The fourth proportional to 546,422.08, 819,633.28 and 147,063.84 is: 220,595.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    546,422.08 : 819,633.28 = 147,063.84 : x
  2. Step 2: Convert to fraction form
    546,422.08/819,633.28 = 147,063.84/x
  3. Step 3: Cross multiply
    546,422.08x = 819,633.28 × 147,063.84
  4. Step 4: Simplify right side
    546,422.08x = 120,538,417,548.60
  5. Step 5: Solve for x
    x = 120,538,417,548.60/546,422.08
  6. Step 6: Final answer
    x = 220,595.80

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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.