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Finding the Fourth Proportional to 706.16, 1,054.93 and 562.04

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Solution

The fourth proportional to 706.16, 1,054.93 and 562.04 is: 839.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    706.16 : 1,054.93 = 562.04 : x
  2. Step 2: Convert to fraction form
    706.16/1,054.93 = 562.04/x
  3. Step 3: Cross multiply
    706.16x = 1,054.93 × 562.04
  4. Step 4: Simplify right side
    706.16x = 592,912.86
  5. Step 5: Solve for x
    x = 592,912.86/706.16
  6. Step 6: Final answer
    x = 839.63

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.