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Finding the Fourth Proportional to 255,226.67, 382,837.39 and 65,686.29

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Solution

The fourth proportional to 255,226.67, 382,837.39 and 65,686.29 is: 98,528.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,226.67 : 382,837.39 = 65,686.29 : x
  2. Step 2: Convert to fraction form
    255,226.67/382,837.39 = 65,686.29/x
  3. Step 3: Cross multiply
    255,226.67x = 382,837.39 × 65,686.29
  4. Step 4: Simplify right side
    255,226.67x = 25,147,167,822.38
  5. Step 5: Solve for x
    x = 25,147,167,822.38/255,226.67
  6. Step 6: Final answer
    x = 98,528.76

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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.