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Finding the Fourth Proportional to 448,286.76, 618,630.29 and 244,337.05

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Solution

The fourth proportional to 448,286.76, 618,630.29 and 244,337.05 is: 337,182.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    448,286.76 : 618,630.29 = 244,337.05 : x
  2. Step 2: Convert to fraction form
    448,286.76/618,630.29 = 244,337.05/x
  3. Step 3: Cross multiply
    448,286.76x = 618,630.29 × 244,337.05
  4. Step 4: Simplify right side
    448,286.76x = 151,154,300,099.25
  5. Step 5: Solve for x
    x = 151,154,300,099.25/448,286.76
  6. Step 6: Final answer
    x = 337,182.16

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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.