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Finding the Fourth Proportional to 376,105.77, 519,070.55 and 225,199.53

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Solution

The fourth proportional to 376,105.77, 519,070.55 and 225,199.53 is: 310,802.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    376,105.77 : 519,070.55 = 225,199.53 : x
  2. Step 2: Convert to fraction form
    376,105.77/519,070.55 = 225,199.53/x
  3. Step 3: Cross multiply
    376,105.77x = 519,070.55 × 225,199.53
  4. Step 4: Simplify right side
    376,105.77x = 116,894,442,770.84
  5. Step 5: Solve for x
    x = 116,894,442,770.84/376,105.77
  6. Step 6: Final answer
    x = 310,802.05

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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.