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Finding the Fourth Proportional to 704.04, 971.19 and 572.82

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Solution

The fourth proportional to 704.04, 971.19 and 572.82 is: 790.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    704.04 : 971.19 = 572.82 : x
  2. Step 2: Convert to fraction form
    704.04/971.19 = 572.82/x
  3. Step 3: Cross multiply
    704.04x = 971.19 × 572.82
  4. Step 4: Simplify right side
    704.04x = 556,317.06
  5. Step 5: Solve for x
    x = 556,317.06/704.04
  6. Step 6: Final answer
    x = 790.18

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.