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Finding the Fourth Proportional to 549,674.26, 828,255.51 and 452,021.78

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Solution

The fourth proportional to 549,674.26, 828,255.51 and 452,021.78 is: 681,111.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    549,674.26 : 828,255.51 = 452,021.78 : x
  2. Step 2: Convert to fraction form
    549,674.26/828,255.51 = 452,021.78/x
  3. Step 3: Cross multiply
    549,674.26x = 828,255.51 × 452,021.78
  4. Step 4: Simplify right side
    549,674.26x = 374,389,529,925.01
  5. Step 5: Solve for x
    x = 374,389,529,925.01/549,674.26
  6. Step 6: Final answer
    x = 681,111.63

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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.