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Finding the Fourth Proportional to 448,153.86, 618,446.70 and 244,213.68

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Solution

The fourth proportional to 448,153.86, 618,446.70 and 244,213.68 is: 337,011.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    448,153.86 : 618,446.70 = 244,213.68 : x
  2. Step 2: Convert to fraction form
    448,153.86/618,446.70 = 244,213.68/x
  3. Step 3: Cross multiply
    448,153.86x = 618,446.70 × 244,213.68
  4. Step 4: Simplify right side
    448,153.86x = 151,033,144,490.86
  5. Step 5: Solve for x
    x = 151,033,144,490.86/448,153.86
  6. Step 6: Final answer
    x = 337,011.81

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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.