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Finding the Fourth Proportional to 269,259.48, 371,562.91 and 148,400.40

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Solution

The fourth proportional to 269,259.48, 371,562.91 and 148,400.40 is: 204,784.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,259.48 : 371,562.91 = 148,400.40 : x
  2. Step 2: Convert to fraction form
    269,259.48/371,562.91 = 148,400.40/x
  3. Step 3: Cross multiply
    269,259.48x = 371,562.91 × 148,400.40
  4. Step 4: Simplify right side
    269,259.48x = 55,140,084,469.16
  5. Step 5: Solve for x
    x = 55,140,084,469.16/269,259.48
  6. Step 6: Final answer
    x = 204,784.19

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.