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Finding the Fourth Proportional to 1,444.93, 2,167.52 and 404.95

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Solution

The fourth proportional to 1,444.93, 2,167.52 and 404.95 is: 607.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,444.93 : 2,167.52 = 404.95 : x
  2. Step 2: Convert to fraction form
    1,444.93/2,167.52 = 404.95/x
  3. Step 3: Cross multiply
    1,444.93x = 2,167.52 × 404.95
  4. Step 4: Simplify right side
    1,444.93x = 877,737.22
  5. Step 5: Solve for x
    x = 877,737.22/1,444.93
  6. Step 6: Final answer
    x = 607.46

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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.