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Finding the Fourth Proportional to 448,358.60, 618,726.42 and 244,411.40

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Solution

The fourth proportional to 448,358.60, 618,726.42 and 244,411.40 is: 337,283.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    448,358.60 : 618,726.42 = 244,411.40 : x
  2. Step 2: Convert to fraction form
    448,358.60/618,726.42 = 244,411.40/x
  3. Step 3: Cross multiply
    448,358.60x = 618,726.42 × 244,411.40
  4. Step 4: Simplify right side
    448,358.60x = 151,223,790,529.19
  5. Step 5: Solve for x
    x = 151,223,790,529.19/448,358.60
  6. Step 6: Final answer
    x = 337,283.13

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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.