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Finding the Fourth Proportional to 549,861.66, 824,921.28 and 170,763.03

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Solution

The fourth proportional to 549,861.66, 824,921.28 and 170,763.03 is: 256,184.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    549,861.66 : 824,921.28 = 170,763.03 : x
  2. Step 2: Convert to fraction form
    549,861.66/824,921.28 = 170,763.03/x
  3. Step 3: Cross multiply
    549,861.66x = 824,921.28 × 170,763.03
  4. Step 4: Simplify right side
    549,861.66x = 140,866,057,284.28
  5. Step 5: Solve for x
    x = 140,866,057,284.28/549,861.66
  6. Step 6: Final answer
    x = 256,184.54

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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.