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Finding the Fourth Proportional to 1,045.55, 1,568.25 and 352.14

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Solution

The fourth proportional to 1,045.55, 1,568.25 and 352.14 is: 528.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,045.55 : 1,568.25 = 352.14 : x
  2. Step 2: Convert to fraction form
    1,045.55/1,568.25 = 352.14/x
  3. Step 3: Cross multiply
    1,045.55x = 1,568.25 × 352.14
  4. Step 4: Simplify right side
    1,045.55x = 552,243.56
  5. Step 5: Solve for x
    x = 552,243.56/1,045.55
  6. Step 6: Final answer
    x = 528.19

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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.