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Finding the Fourth Proportional to 995,998, 1,374,481.62 and 543,298.72

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Solution

The fourth proportional to 995,998, 1,374,481.62 and 543,298.72 is: 749,754.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    995,998 : 1,374,481.62 = 543,298.72 : x
  2. Step 2: Convert to fraction form
    995,998/1,374,481.62 = 543,298.72/x
  3. Step 3: Cross multiply
    995,998x = 1,374,481.62 × 543,298.72
  4. Step 4: Simplify right side
    995,998x = 746,754,104,809.53
  5. Step 5: Solve for x
    x = 746,754,104,809.53/995,998
  6. Step 6: Final answer
    x = 749,754.62

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Similar ratio
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1.5x scale

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.