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Finding the Fourth Proportional to 995,435, 1,373,734.86 and 565,733.24

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Solution

The fourth proportional to 995,435, 1,373,734.86 and 565,733.24 is: 780,731.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    995,435 : 1,373,734.86 = 565,733.24 : x
  2. Step 2: Convert to fraction form
    995,435/1,373,734.86 = 565,733.24/x
  3. Step 3: Cross multiply
    995,435x = 1,373,734.86 × 565,733.24
  4. Step 4: Simplify right side
    995,435x = 777,167,473,248.75
  5. Step 5: Solve for x
    x = 777,167,473,248.75/995,435
  6. Step 6: Final answer
    x = 780,731.51

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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.