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Finding the Fourth Proportional to 448,151.10, 618,440.54 and 244,203.45

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Solution

The fourth proportional to 448,151.10, 618,440.54 and 244,203.45 is: 336,996.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    448,151.10 : 618,440.54 = 244,203.45 : x
  2. Step 2: Convert to fraction form
    448,151.10/618,440.54 = 244,203.45/x
  3. Step 3: Cross multiply
    448,151.10x = 618,440.54 × 244,203.45
  4. Step 4: Simplify right side
    448,151.10x = 151,025,313,487.86
  5. Step 5: Solve for x
    x = 151,025,313,487.86/448,151.10
  6. Step 6: Final answer
    x = 336,996.41

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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.