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Finding the Fourth Proportional to 1,229,989.80, 1,844,182.80 and 1,104,018.60

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Solution

The fourth proportional to 1,229,989.80, 1,844,182.80 and 1,104,018.60 is: 1,655,308.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,229,989.80 : 1,844,182.80 = 1,104,018.60 : x
  2. Step 2: Convert to fraction form
    1,229,989.80/1,844,182.80 = 1,104,018.60/x
  3. Step 3: Cross multiply
    1,229,989.80x = 1,844,182.80 × 1,104,018.60
  4. Step 4: Simplify right side
    1,229,989.80x = 2,036,012,113,000.08
  5. Step 5: Solve for x
    x = 2,036,012,113,000.08/1,229,989.80
  6. Step 6: Final answer
    x = 1,655,308.13

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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.