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Finding the Fourth Proportional to 448,078.32, 618,348.24 and 246,874.32

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Solution

The fourth proportional to 448,078.32, 618,348.24 and 246,874.32 is: 340,686.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    448,078.32 : 618,348.24 = 246,874.32 : x
  2. Step 2: Convert to fraction form
    448,078.32/618,348.24 = 246,874.32/x
  3. Step 3: Cross multiply
    448,078.32x = 618,348.24 × 246,874.32
  4. Step 4: Simplify right side
    448,078.32x = 152,654,301,273.20
  5. Step 5: Solve for x
    x = 152,654,301,273.20/448,078.32
  6. Step 6: Final answer
    x = 340,686.65

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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.