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Finding the Fourth Proportional to 309,250.55, 463,729.62 and 119,799.65

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Solution

The fourth proportional to 309,250.55, 463,729.62 and 119,799.65 is: 179,642.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    309,250.55 : 463,729.62 = 119,799.65 : x
  2. Step 2: Convert to fraction form
    309,250.55/463,729.62 = 119,799.65/x
  3. Step 3: Cross multiply
    309,250.55x = 463,729.62 × 119,799.65
  4. Step 4: Simplify right side
    309,250.55x = 55,554,646,170.63
  5. Step 5: Solve for x
    x = 55,554,646,170.63/309,250.55
  6. Step 6: Final answer
    x = 179,642.84

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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.