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Finding the Fourth Proportional to 1,334.98, 2,003.18 and 555.52

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Solution

The fourth proportional to 1,334.98, 2,003.18 and 555.52 is: 833.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,334.98 : 2,003.18 = 555.52 : x
  2. Step 2: Convert to fraction form
    1,334.98/2,003.18 = 555.52/x
  3. Step 3: Cross multiply
    1,334.98x = 2,003.18 × 555.52
  4. Step 4: Simplify right side
    1,334.98x = 1,112,802.93
  5. Step 5: Solve for x
    x = 1,112,802.93/1,334.98
  6. Step 6: Final answer
    x = 833.57

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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.