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Finding the Fourth Proportional to 376,151.92, 519,234.18 and 255,347.20

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Solution

The fourth proportional to 376,151.92, 519,234.18 and 255,347.20 is: 352,477.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    376,151.92 : 519,234.18 = 255,347.20 : x
  2. Step 2: Convert to fraction form
    376,151.92/519,234.18 = 255,347.20/x
  3. Step 3: Cross multiply
    376,151.92x = 519,234.18 × 255,347.20
  4. Step 4: Simplify right side
    376,151.92x = 132,584,994,007.30
  5. Step 5: Solve for x
    x = 132,584,994,007.30/376,151.92
  6. Step 6: Final answer
    x = 352,477.25

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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.