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Finding the Fourth Proportional to 400,510.73, 552,700.13 and 216,745.04

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Solution

The fourth proportional to 400,510.73, 552,700.13 and 216,745.04 is: 299,105.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    400,510.73 : 552,700.13 = 216,745.04 : x
  2. Step 2: Convert to fraction form
    400,510.73/552,700.13 = 216,745.04/x
  3. Step 3: Cross multiply
    400,510.73x = 552,700.13 × 216,745.04
  4. Step 4: Simplify right side
    400,510.73x = 119,795,012,357.20
  5. Step 5: Solve for x
    x = 119,795,012,357.20/400,510.73
  6. Step 6: Final answer
    x = 299,105.63

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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.