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Finding the Fourth Proportional to 1,444.68, 2,167.16 and 404.68

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Solution

The fourth proportional to 1,444.68, 2,167.16 and 404.68 is: 607.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,444.68 : 2,167.16 = 404.68 : x
  2. Step 2: Convert to fraction form
    1,444.68/2,167.16 = 404.68/x
  3. Step 3: Cross multiply
    1,444.68x = 2,167.16 × 404.68
  4. Step 4: Simplify right side
    1,444.68x = 877,006.31
  5. Step 5: Solve for x
    x = 877,006.31/1,444.68
  6. Step 6: Final answer
    x = 607.06

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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.