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Finding the Fourth Proportional to 546,423.08, 819,634.78 and 147,064.84

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Solution

The fourth proportional to 546,423.08, 819,634.78 and 147,064.84 is: 220,597.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    546,423.08 : 819,634.78 = 147,064.84 : x
  2. Step 2: Convert to fraction form
    546,423.08/819,634.78 = 147,064.84/x
  3. Step 3: Cross multiply
    546,423.08x = 819,634.78 × 147,064.84
  4. Step 4: Simplify right side
    546,423.08x = 120,539,457,779.14
  5. Step 5: Solve for x
    x = 120,539,457,779.14/546,423.08
  6. Step 6: Final answer
    x = 220,597.30

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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.