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Finding the Fourth Proportional to 549,521.10, 824,281.65 and 449,793.90

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Solution

The fourth proportional to 549,521.10, 824,281.65 and 449,793.90 is: 674,690.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    549,521.10 : 824,281.65 = 449,793.90 : x
  2. Step 2: Convert to fraction form
    549,521.10/824,281.65 = 449,793.90/x
  3. Step 3: Cross multiply
    549,521.10x = 824,281.65 × 449,793.90
  4. Step 4: Simplify right side
    549,521.10x = 370,756,858,051.94
  5. Step 5: Solve for x
    x = 370,756,858,051.94/549,521.10
  6. Step 6: Final answer
    x = 674,690.85

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Similar ratio
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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.