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Finding the Fourth Proportional to 353,753.20, 488,154.80 and 200,794.56

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Solution

The fourth proportional to 353,753.20, 488,154.80 and 200,794.56 is: 277,082.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    353,753.20 : 488,154.80 = 200,794.56 : x
  2. Step 2: Convert to fraction form
    353,753.20/488,154.80 = 200,794.56/x
  3. Step 3: Cross multiply
    353,753.20x = 488,154.80 × 200,794.56
  4. Step 4: Simplify right side
    353,753.20x = 98,018,828,277.89
  5. Step 5: Solve for x
    x = 98,018,828,277.89/353,753.20
  6. Step 6: Final answer
    x = 277,082.52

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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.