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Finding the Fourth Proportional to 381,593.17, 526,599.62 and 209,522.28

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Solution

The fourth proportional to 381,593.17, 526,599.62 and 209,522.28 is: 289,141.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    381,593.17 : 526,599.62 = 209,522.28 : x
  2. Step 2: Convert to fraction form
    381,593.17/526,599.62 = 209,522.28/x
  3. Step 3: Cross multiply
    381,593.17x = 526,599.62 × 209,522.28
  4. Step 4: Simplify right side
    381,593.17x = 110,334,353,553.34
  5. Step 5: Solve for x
    x = 110,334,353,553.34/381,593.17
  6. Step 6: Final answer
    x = 289,141.32

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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.