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Finding the Fourth Proportional to 468,937.45, 647,131.48 and 254,077.46

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Solution

The fourth proportional to 468,937.45, 647,131.48 and 254,077.46 is: 350,625.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    468,937.45 : 647,131.48 = 254,077.46 : x
  2. Step 2: Convert to fraction form
    468,937.45/647,131.48 = 254,077.46/x
  3. Step 3: Cross multiply
    468,937.45x = 647,131.48 × 254,077.46
  4. Step 4: Simplify right side
    468,937.45x = 164,421,521,280.33
  5. Step 5: Solve for x
    x = 164,421,521,280.33/468,937.45
  6. Step 6: Final answer
    x = 350,625.70

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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.