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Finding the Fourth Proportional to 1,471.01, 2,206.85 and 497.06

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Solution

The fourth proportional to 1,471.01, 2,206.85 and 497.06 is: 745.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,471.01 : 2,206.85 = 497.06 : x
  2. Step 2: Convert to fraction form
    1,471.01/2,206.85 = 497.06/x
  3. Step 3: Cross multiply
    1,471.01x = 2,206.85 × 497.06
  4. Step 4: Simplify right side
    1,471.01x = 1,096,934.38
  5. Step 5: Solve for x
    x = 1,096,934.38/1,471.01
  6. Step 6: Final answer
    x = 745.70

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.