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Finding the Fourth Proportional to 995,187, 1,373,350.88 and 565,467.13

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Solution

The fourth proportional to 995,187, 1,373,350.88 and 565,467.13 is: 780,340.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    995,187 : 1,373,350.88 = 565,467.13 : x
  2. Step 2: Convert to fraction form
    995,187/1,373,350.88 = 565,467.13/x
  3. Step 3: Cross multiply
    995,187x = 1,373,350.88 × 565,467.13
  4. Step 4: Simplify right side
    995,187x = 776,584,780,596.57
  5. Step 5: Solve for x
    x = 776,584,780,596.57/995,187
  6. Step 6: Final answer
    x = 780,340.56

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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.