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Finding the Fourth Proportional to 1,015.76, 1,524.54 and 467.84

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Solution

The fourth proportional to 1,015.76, 1,524.54 and 467.84 is: 702.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,015.76 : 1,524.54 = 467.84 : x
  2. Step 2: Convert to fraction form
    1,015.76/1,524.54 = 467.84/x
  3. Step 3: Cross multiply
    1,015.76x = 1,524.54 × 467.84
  4. Step 4: Simplify right side
    1,015.76x = 713,240.79
  5. Step 5: Solve for x
    x = 713,240.79/1,015.76
  6. Step 6: Final answer
    x = 702.17

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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.