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Finding the Fourth Proportional to 756.24, 1,042.26 and 598.32

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Solution

The fourth proportional to 756.24, 1,042.26 and 598.32 is: 824.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    756.24 : 1,042.26 = 598.32 : x
  2. Step 2: Convert to fraction form
    756.24/1,042.26 = 598.32/x
  3. Step 3: Cross multiply
    756.24x = 1,042.26 × 598.32
  4. Step 4: Simplify right side
    756.24x = 623,605.00
  5. Step 5: Solve for x
    x = 623,605.00/756.24
  6. Step 6: Final answer
    x = 824.61

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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.