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Finding the Fourth Proportional to 546,482.02, 819,722.28 and 147,123.22

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Solution

The fourth proportional to 546,482.02, 819,722.28 and 147,123.22 is: 220,684.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    546,482.02 : 819,722.28 = 147,123.22 : x
  2. Step 2: Convert to fraction form
    546,482.02/819,722.28 = 147,123.22/x
  3. Step 3: Cross multiply
    546,482.02x = 819,722.28 × 147,123.22
  4. Step 4: Simplify right side
    546,482.02x = 120,600,181,339.34
  5. Step 5: Solve for x
    x = 120,600,181,339.34/546,482.02
  6. Step 6: Final answer
    x = 220,684.63

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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.