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Finding the Fourth Proportional to 549,672.30, 824,508.45 and 194,722.20

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Solution

The fourth proportional to 549,672.30, 824,508.45 and 194,722.20 is: 292,083.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    549,672.30 : 824,508.45 = 194,722.20 : x
  2. Step 2: Convert to fraction form
    549,672.30/824,508.45 = 194,722.20/x
  3. Step 3: Cross multiply
    549,672.30x = 824,508.45 × 194,722.20
  4. Step 4: Simplify right side
    549,672.30x = 160,550,099,302.59
  5. Step 5: Solve for x
    x = 160,550,099,302.59/549,672.30
  6. Step 6: Final answer
    x = 292,083.30

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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.