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Finding the Fourth Proportional to 448,626.32, 619,087.12 and 247,422.32

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Solution

The fourth proportional to 448,626.32, 619,087.12 and 247,422.32 is: 341,433.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    448,626.32 : 619,087.12 = 247,422.32 : x
  2. Step 2: Convert to fraction form
    448,626.32/619,087.12 = 247,422.32/x
  3. Step 3: Cross multiply
    448,626.32x = 619,087.12 × 247,422.32
  4. Step 4: Simplify right side
    448,626.32x = 153,175,971,512.52
  5. Step 5: Solve for x
    x = 153,175,971,512.52/448,626.32
  6. Step 6: Final answer
    x = 341,433.31

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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.