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Finding the Fourth Proportional to 409,220.92, 564,753.22 and 248,082.76

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Solution

The fourth proportional to 409,220.92, 564,753.22 and 248,082.76 is: 342,371.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    409,220.92 : 564,753.22 = 248,082.76 : x
  2. Step 2: Convert to fraction form
    409,220.92/564,753.22 = 248,082.76/x
  3. Step 3: Cross multiply
    409,220.92x = 564,753.22 × 248,082.76
  4. Step 4: Simplify right side
    409,220.92x = 140,105,537,536.49
  5. Step 5: Solve for x
    x = 140,105,537,536.49/409,220.92
  6. Step 6: Final answer
    x = 342,371.40

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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.