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Finding the Fourth Proportional to 1,554.69, 2,332.02 and 400.44

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Solution

The fourth proportional to 1,554.69, 2,332.02 and 400.44 is: 600.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,554.69 : 2,332.02 = 400.44 : x
  2. Step 2: Convert to fraction form
    1,554.69/2,332.02 = 400.44/x
  3. Step 3: Cross multiply
    1,554.69x = 2,332.02 × 400.44
  4. Step 4: Simplify right side
    1,554.69x = 933,834.09
  5. Step 5: Solve for x
    x = 933,834.09/1,554.69
  6. Step 6: Final answer
    x = 600.66

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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.