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Finding the Fourth Proportional to 996,599.16, 1,375,287.66 and 543,893.40

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Solution

The fourth proportional to 996,599.16, 1,375,287.66 and 543,893.40 is: 750,562.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    996,599.16 : 1,375,287.66 = 543,893.40 : x
  2. Step 2: Convert to fraction form
    996,599.16/1,375,287.66 = 543,893.40/x
  3. Step 3: Cross multiply
    996,599.16x = 1,375,287.66 × 543,893.40
  4. Step 4: Simplify right side
    996,599.16x = 748,009,881,375.44
  5. Step 5: Solve for x
    x = 748,009,881,375.44/996,599.16
  6. Step 6: Final answer
    x = 750,562.42

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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.