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Finding the Fourth Proportional to 269,549.60, 404,324.40 and 69,868.40

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Solution

The fourth proportional to 269,549.60, 404,324.40 and 69,868.40 is: 104,802.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,549.60 : 404,324.40 = 69,868.40 : x
  2. Step 2: Convert to fraction form
    269,549.60/404,324.40 = 69,868.40/x
  3. Step 3: Cross multiply
    269,549.60x = 404,324.40 × 69,868.40
  4. Step 4: Simplify right side
    269,549.60x = 28,249,498,908.96
  5. Step 5: Solve for x
    x = 28,249,498,908.96/269,549.60
  6. Step 6: Final answer
    x = 104,802.60

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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.