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Finding the Fourth Proportional to 549,571.10, 824,474.20 and 170,483.61

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Solution

The fourth proportional to 549,571.10, 824,474.20 and 170,483.61 is: 255,761.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    549,571.10 : 824,474.20 = 170,483.61 : x
  2. Step 2: Convert to fraction form
    549,571.10/824,474.20 = 170,483.61/x
  3. Step 3: Cross multiply
    549,571.10x = 824,474.20 × 170,483.61
  4. Step 4: Simplify right side
    549,571.10x = 140,559,337,967.86
  5. Step 5: Solve for x
    x = 140,559,337,967.86/549,571.10
  6. Step 6: Final answer
    x = 255,761.88

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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.