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Finding the Fourth Proportional to 269,686.60, 404,967.30 and 195,328.60

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Solution

The fourth proportional to 269,686.60, 404,967.30 and 195,328.60 is: 293,309.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,686.60 : 404,967.30 = 195,328.60 : x
  2. Step 2: Convert to fraction form
    269,686.60/404,967.30 = 195,328.60/x
  3. Step 3: Cross multiply
    269,686.60x = 404,967.30 × 195,328.60
  4. Step 4: Simplify right side
    269,686.60x = 79,101,695,754.78
  5. Step 5: Solve for x
    x = 79,101,695,754.78/269,686.60
  6. Step 6: Final answer
    x = 293,309.70

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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.