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Finding the Fourth Proportional to 549,591.73, 758,806.84 and 343,174.47

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Solution

The fourth proportional to 549,591.73, 758,806.84 and 343,174.47 is: 473,811.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    549,591.73 : 758,806.84 = 343,174.47 : x
  2. Step 2: Convert to fraction form
    549,591.73/758,806.84 = 343,174.47/x
  3. Step 3: Cross multiply
    549,591.73x = 758,806.84 × 343,174.47
  4. Step 4: Simplify right side
    549,591.73x = 260,403,135,070.75
  5. Step 5: Solve for x
    x = 260,403,135,070.75/549,591.73
  6. Step 6: Final answer
    x = 473,811.96

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.