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Finding the Fourth Proportional to 704.24, 971.93 and 507.87

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Solution

The fourth proportional to 704.24, 971.93 and 507.87 is: 700.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    704.24 : 971.93 = 507.87 : x
  2. Step 2: Convert to fraction form
    704.24/971.93 = 507.87/x
  3. Step 3: Cross multiply
    704.24x = 971.93 × 507.87
  4. Step 4: Simplify right side
    704.24x = 493,614.09
  5. Step 5: Solve for x
    x = 493,614.09/704.24
  6. Step 6: Final answer
    x = 700.92

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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.