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Finding the Fourth Proportional to 1,045.58, 1,568.16 and 352.17

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Solution

The fourth proportional to 1,045.58, 1,568.16 and 352.17 is: 528.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,045.58 : 1,568.16 = 352.17 : x
  2. Step 2: Convert to fraction form
    1,045.58/1,568.16 = 352.17/x
  3. Step 3: Cross multiply
    1,045.58x = 1,568.16 × 352.17
  4. Step 4: Simplify right side
    1,045.58x = 552,258.91
  5. Step 5: Solve for x
    x = 552,258.91/1,045.58
  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.