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Finding the Fourth Proportional to 435.16, 652.58 and 126.93

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Solution

The fourth proportional to 435.16, 652.58 and 126.93 is: 190.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    435.16 : 652.58 = 126.93 : x
  2. Step 2: Convert to fraction form
    435.16/652.58 = 126.93/x
  3. Step 3: Cross multiply
    435.16x = 652.58 × 126.93
  4. Step 4: Simplify right side
    435.16x = 82,830.03
  5. Step 5: Solve for x
    x = 82,830.03/435.16
  6. Step 6: Final answer
    x = 190.35

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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.