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Finding the Fourth Proportional to 1,046.21, 1,569.32 and 352.75

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Solution

The fourth proportional to 1,046.21, 1,569.32 and 352.75 is: 529.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,046.21 : 1,569.32 = 352.75 : x
  2. Step 2: Convert to fraction form
    1,046.21/1,569.32 = 352.75/x
  3. Step 3: Cross multiply
    1,046.21x = 1,569.32 × 352.75
  4. Step 4: Simplify right side
    1,046.21x = 553,577.63
  5. Step 5: Solve for x
    x = 553,577.63/1,046.21
  6. Step 6: Final answer
    x = 529.13

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.