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Finding the Fourth Proportional to 1,101.22, 1,652.19 and 524.02

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Solution

The fourth proportional to 1,101.22, 1,652.19 and 524.02 is: 786.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,101.22 : 1,652.19 = 524.02 : x
  2. Step 2: Convert to fraction form
    1,101.22/1,652.19 = 524.02/x
  3. Step 3: Cross multiply
    1,101.22x = 1,652.19 × 524.02
  4. Step 4: Simplify right side
    1,101.22x = 865,780.60
  5. Step 5: Solve for x
    x = 865,780.60/1,101.22
  6. Step 6: Final answer
    x = 786.20

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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.