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Finding the Fourth Proportional to 376,753.16, 562,691.16 and 341,143.34

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Solution

The fourth proportional to 376,753.16, 562,691.16 and 341,143.34 is: 509,506.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    376,753.16 : 562,691.16 = 341,143.34 : x
  2. Step 2: Convert to fraction form
    376,753.16/562,691.16 = 341,143.34/x
  3. Step 3: Cross multiply
    376,753.16x = 562,691.16 × 341,143.34
  4. Step 4: Simplify right side
    376,753.16x = 191,958,338,897.42
  5. Step 5: Solve for x
    x = 191,958,338,897.42/376,753.16
  6. Step 6: Final answer
    x = 509,506.91

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.