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Finding the Fourth Proportional to 1,834,982.40, 2,752,473.60 and 772,100.40

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Solution

The fourth proportional to 1,834,982.40, 2,752,473.60 and 772,100.40 is: 1,158,150.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,834,982.40 : 2,752,473.60 = 772,100.40 : x
  2. Step 2: Convert to fraction form
    1,834,982.40/2,752,473.60 = 772,100.40/x
  3. Step 3: Cross multiply
    1,834,982.40x = 2,752,473.60 × 772,100.40
  4. Step 4: Simplify right side
    1,834,982.40x = 2,125,185,967,549.44
  5. Step 5: Solve for x
    x = 2,125,185,967,549.44/1,834,982.40
  6. Step 6: Final answer
    x = 1,158,150.60

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.