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Finding the Fourth Proportional to 1,335.48, 2,003.37 and 469.59

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Solution

The fourth proportional to 1,335.48, 2,003.37 and 469.59 is: 704.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,335.48 : 2,003.37 = 469.59 : x
  2. Step 2: Convert to fraction form
    1,335.48/2,003.37 = 469.59/x
  3. Step 3: Cross multiply
    1,335.48x = 2,003.37 × 469.59
  4. Step 4: Simplify right side
    1,335.48x = 940,762.52
  5. Step 5: Solve for x
    x = 940,762.52/1,335.48
  6. Step 6: Final answer
    x = 704.44

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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.