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Finding the Fourth Proportional to 1,444.68, 2,167.48 and 471.48

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Solution

The fourth proportional to 1,444.68, 2,167.48 and 471.48 is: 707.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,444.68 : 2,167.48 = 471.48 : x
  2. Step 2: Convert to fraction form
    1,444.68/2,167.48 = 471.48/x
  3. Step 3: Cross multiply
    1,444.68x = 2,167.48 × 471.48
  4. Step 4: Simplify right side
    1,444.68x = 1,021,923.47
  5. Step 5: Solve for x
    x = 1,021,923.47/1,444.68
  6. Step 6: Final answer
    x = 707.37

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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.