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Finding the Fourth Proportional to 322,017.40, 483,026.10 and 269,918.20

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Solution

The fourth proportional to 322,017.40, 483,026.10 and 269,918.20 is: 404,877.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    322,017.40 : 483,026.10 = 269,918.20 : x
  2. Step 2: Convert to fraction form
    322,017.40/483,026.10 = 269,918.20/x
  3. Step 3: Cross multiply
    322,017.40x = 483,026.10 × 269,918.20
  4. Step 4: Simplify right side
    322,017.40x = 130,377,535,465.02
  5. Step 5: Solve for x
    x = 130,377,535,465.02/322,017.40
  6. Step 6: Final answer
    x = 404,877.30

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1.5x scale

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.