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Finding the Fourth Proportional to 1,642.16, 2,462.51 and 601.89

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Solution

The fourth proportional to 1,642.16, 2,462.51 and 601.89 is: 902.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,642.16 : 2,462.51 = 601.89 : x
  2. Step 2: Convert to fraction form
    1,642.16/2,462.51 = 601.89/x
  3. Step 3: Cross multiply
    1,642.16x = 2,462.51 × 601.89
  4. Step 4: Simplify right side
    1,642.16x = 1,482,160.14
  5. Step 5: Solve for x
    x = 1,482,160.14/1,642.16
  6. Step 6: Final answer
    x = 902.57

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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.