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Finding the Fourth Proportional to 1,651.04, 2,476.54 and 401.64

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Solution

The fourth proportional to 1,651.04, 2,476.54 and 401.64 is: 602.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,651.04 : 2,476.54 = 401.64 : x
  2. Step 2: Convert to fraction form
    1,651.04/2,476.54 = 401.64/x
  3. Step 3: Cross multiply
    1,651.04x = 2,476.54 × 401.64
  4. Step 4: Simplify right side
    1,651.04x = 994,681.71
  5. Step 5: Solve for x
    x = 994,681.71/1,651.04
  6. Step 6: Final answer
    x = 602.46

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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.