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Finding the Fourth Proportional to 448,008.38, 618,251.29 and 246,804.38

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Solution

The fourth proportional to 448,008.38, 618,251.29 and 246,804.38 is: 340,589.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    448,008.38 : 618,251.29 = 246,804.38 : x
  2. Step 2: Convert to fraction form
    448,008.38/618,251.29 = 246,804.38/x
  3. Step 3: Cross multiply
    448,008.38x = 618,251.29 × 246,804.38
  4. Step 4: Simplify right side
    448,008.38x = 152,587,126,312.65
  5. Step 5: Solve for x
    x = 152,587,126,312.65/448,008.38
  6. Step 6: Final answer
    x = 340,589.89

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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.