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Finding the Fourth Proportional to 549,863.61, 824,924.52 and 170,764.78

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Solution

The fourth proportional to 549,863.61, 824,924.52 and 170,764.78 is: 256,187.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    549,863.61 : 824,924.52 = 170,764.78 : x
  2. Step 2: Convert to fraction form
    549,863.61/824,924.52 = 170,764.78/x
  3. Step 3: Cross multiply
    549,863.61x = 824,924.52 × 170,764.78
  4. Step 4: Simplify right side
    549,863.61x = 140,868,053,320.58
  5. Step 5: Solve for x
    x = 140,868,053,320.58/549,863.61
  6. Step 6: Final answer
    x = 256,187.26

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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.