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Finding the Fourth Proportional to 1,110.63, 1,532.65 and 606.48

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Solution

The fourth proportional to 1,110.63, 1,532.65 and 606.48 is: 836.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,110.63 : 1,532.65 = 606.48 : x
  2. Step 2: Convert to fraction form
    1,110.63/1,532.65 = 606.48/x
  3. Step 3: Cross multiply
    1,110.63x = 1,532.65 × 606.48
  4. Step 4: Simplify right side
    1,110.63x = 929,522.33
  5. Step 5: Solve for x
    x = 929,522.33/1,110.63
  6. Step 6: Final answer
    x = 836.93

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.