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Finding the Fourth Proportional to 704.79, 1,054.35 and 594.05

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Solution

The fourth proportional to 704.79, 1,054.35 and 594.05 is: 888.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    704.79 : 1,054.35 = 594.05 : x
  2. Step 2: Convert to fraction form
    704.79/1,054.35 = 594.05/x
  3. Step 3: Cross multiply
    704.79x = 1,054.35 × 594.05
  4. Step 4: Simplify right side
    704.79x = 626,336.62
  5. Step 5: Solve for x
    x = 626,336.62/704.79
  6. Step 6: Final answer
    x = 888.69

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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.