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Finding the Fourth Proportional to 934.61, 1,402.92 and 704.16

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Solution

The fourth proportional to 934.61, 1,402.92 and 704.16 is: 1,057.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    934.61 : 1,402.92 = 704.16 : x
  2. Step 2: Convert to fraction form
    934.61/1,402.92 = 704.16/x
  3. Step 3: Cross multiply
    934.61x = 1,402.92 × 704.16
  4. Step 4: Simplify right side
    934.61x = 987,880.15
  5. Step 5: Solve for x
    x = 987,880.15/934.61
  6. Step 6: Final answer
    x = 1,057.00

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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.