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Finding the Fourth Proportional to 898,259.40, 1,347,410.70 and 267,193.80

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Solution

The fourth proportional to 898,259.40, 1,347,410.70 and 267,193.80 is: 400,797.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    898,259.40 : 1,347,410.70 = 267,193.80 : x
  2. Step 2: Convert to fraction form
    898,259.40/1,347,410.70 = 267,193.80/x
  3. Step 3: Cross multiply
    898,259.40x = 1,347,410.70 × 267,193.80
  4. Step 4: Simplify right side
    898,259.40x = 360,019,785,093.66
  5. Step 5: Solve for x
    x = 360,019,785,093.66/898,259.40
  6. Step 6: Final answer
    x = 400,797.13

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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.