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Finding the Fourth Proportional to 448,008.30, 618,251.45 and 246,804.30

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Solution

The fourth proportional to 448,008.30, 618,251.45 and 246,804.30 is: 340,589.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    448,008.30 : 618,251.45 = 246,804.30 : x
  2. Step 2: Convert to fraction form
    448,008.30/618,251.45 = 246,804.30/x
  3. Step 3: Cross multiply
    448,008.30x = 618,251.45 × 246,804.30
  4. Step 4: Simplify right side
    448,008.30x = 152,587,115,107.21
  5. Step 5: Solve for x
    x = 152,587,115,107.21/448,008.30
  6. Step 6: Final answer
    x = 340,589.93

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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.