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Finding the Fourth Proportional to 708.16, 1,060.85 and 463.94

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Solution

The fourth proportional to 708.16, 1,060.85 and 463.94 is: 695.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    708.16 : 1,060.85 = 463.94 : x
  2. Step 2: Convert to fraction form
    708.16/1,060.85 = 463.94/x
  3. Step 3: Cross multiply
    708.16x = 1,060.85 × 463.94
  4. Step 4: Simplify right side
    708.16x = 492,174.56
  5. Step 5: Solve for x
    x = 492,174.56/708.16
  6. Step 6: Final answer
    x = 695.01

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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.