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Finding the Fourth Proportional to 995,195.64, 1,373,370 and 542,486.64

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Solution

The fourth proportional to 995,195.64, 1,373,370 and 542,486.64 is: 748,631.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    995,195.64 : 1,373,370 = 542,486.64 : x
  2. Step 2: Convert to fraction form
    995,195.64/1,373,370 = 542,486.64/x
  3. Step 3: Cross multiply
    995,195.64x = 1,373,370 × 542,486.64
  4. Step 4: Simplify right side
    995,195.64x = 745,034,876,776.80
  5. Step 5: Solve for x
    x = 745,034,876,776.80/995,195.64
  6. Step 6: Final answer
    x = 748,631.57

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