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Finding the Fourth Proportional to 226,685.96, 310,837.29 and 220,781.06

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Solution

The fourth proportional to 226,685.96, 310,837.29 and 220,781.06 is: 302,740.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    226,685.96 : 310,837.29 = 220,781.06 : x
  2. Step 2: Convert to fraction form
    226,685.96/310,837.29 = 220,781.06/x
  3. Step 3: Cross multiply
    226,685.96x = 310,837.29 × 220,781.06
  4. Step 4: Simplify right side
    226,685.96x = 68,626,986,373.73
  5. Step 5: Solve for x
    x = 68,626,986,373.73/226,685.96
  6. Step 6: Final answer
    x = 302,740.35

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.