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Finding the Fourth Proportional to 954.88, 1,432.36 and 370.16

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Solution

The fourth proportional to 954.88, 1,432.36 and 370.16 is: 555.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    954.88 : 1,432.36 = 370.16 : x
  2. Step 2: Convert to fraction form
    954.88/1,432.36 = 370.16/x
  3. Step 3: Cross multiply
    954.88x = 1,432.36 × 370.16
  4. Step 4: Simplify right side
    954.88x = 530,202.38
  5. Step 5: Solve for x
    x = 530,202.38/954.88
  6. Step 6: Final answer
    x = 555.26

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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.