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Finding the Fourth Proportional to 706.24, 1,060.16 and 552.32

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Solution

The fourth proportional to 706.24, 1,060.16 and 552.32 is: 829.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    706.24 : 1,060.16 = 552.32 : x
  2. Step 2: Convert to fraction form
    706.24/1,060.16 = 552.32/x
  3. Step 3: Cross multiply
    706.24x = 1,060.16 × 552.32
  4. Step 4: Simplify right side
    706.24x = 585,547.57
  5. Step 5: Solve for x
    x = 585,547.57/706.24
  6. Step 6: Final answer
    x = 829.11

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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.