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Finding the Fourth Proportional to 463,937.92, 640,204.01 and 272,914.40

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Solution

The fourth proportional to 463,937.92, 640,204.01 and 272,914.40 is: 376,604.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    463,937.92 : 640,204.01 = 272,914.40 : x
  2. Step 2: Convert to fraction form
    463,937.92/640,204.01 = 272,914.40/x
  3. Step 3: Cross multiply
    463,937.92x = 640,204.01 × 272,914.40
  4. Step 4: Simplify right side
    463,937.92x = 174,720,893,266.74
  5. Step 5: Solve for x
    x = 174,720,893,266.74/463,937.92
  6. Step 6: Final answer
    x = 376,604.04

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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.