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Finding the Fourth Proportional to 549,672.26, 828,252.50 and 452,019.78

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Solution

The fourth proportional to 549,672.26, 828,252.50 and 452,019.78 is: 681,108.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    549,672.26 : 828,252.50 = 452,019.78 : x
  2. Step 2: Convert to fraction form
    549,672.26/828,252.50 = 452,019.78/x
  3. Step 3: Cross multiply
    549,672.26x = 828,252.50 × 452,019.78
  4. Step 4: Simplify right side
    549,672.26x = 374,386,510,574.35
  5. Step 5: Solve for x
    x = 374,386,510,574.35/549,672.26
  6. Step 6: Final answer
    x = 681,108.61

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.