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Finding the Fourth Proportional to 448,315.64, 618,671.54 and 244,366.54

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Solution

The fourth proportional to 448,315.64, 618,671.54 and 244,366.54 is: 337,223.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    448,315.64 : 618,671.54 = 244,366.54 : x
  2. Step 2: Convert to fraction form
    448,315.64/618,671.54 = 244,366.54/x
  3. Step 3: Cross multiply
    448,315.64x = 618,671.54 × 244,366.54
  4. Step 4: Simplify right side
    448,315.64x = 151,182,623,626.27
  5. Step 5: Solve for x
    x = 151,182,623,626.27/448,315.64
  6. Step 6: Final answer
    x = 337,223.62

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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.