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Finding the Fourth Proportional to 704.13, 1,054.58 and 395.52

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Solution

The fourth proportional to 704.13, 1,054.58 and 395.52 is: 592.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    704.13 : 1,054.58 = 395.52 : x
  2. Step 2: Convert to fraction form
    704.13/1,054.58 = 395.52/x
  3. Step 3: Cross multiply
    704.13x = 1,054.58 × 395.52
  4. Step 4: Simplify right side
    704.13x = 417,105.50
  5. Step 5: Solve for x
    x = 417,105.50/704.13
  6. Step 6: Final answer
    x = 592.37

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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.