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Finding the Fourth Proportional to 954.12, 1,430.16 and 337.44

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Solution

The fourth proportional to 954.12, 1,430.16 and 337.44 is: 505.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    954.12 : 1,430.16 = 337.44 : x
  2. Step 2: Convert to fraction form
    954.12/1,430.16 = 337.44/x
  3. Step 3: Cross multiply
    954.12x = 1,430.16 × 337.44
  4. Step 4: Simplify right side
    954.12x = 482,593.19
  5. Step 5: Solve for x
    x = 482,593.19/954.12
  6. Step 6: Final answer
    x = 505.80

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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.