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Finding the Fourth Proportional to 376,225.76, 519,622.76 and 247,738.59

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Solution

The fourth proportional to 376,225.76, 519,622.76 and 247,738.59 is: 342,163.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    376,225.76 : 519,622.76 = 247,738.59 : x
  2. Step 2: Convert to fraction form
    376,225.76/519,622.76 = 247,738.59/x
  3. Step 3: Cross multiply
    376,225.76x = 519,622.76 × 247,738.59
  4. Step 4: Simplify right side
    376,225.76x = 128,730,610,513.66
  5. Step 5: Solve for x
    x = 128,730,610,513.66/376,225.76
  6. Step 6: Final answer
    x = 342,163.20

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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.