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Finding the Fourth Proportional to 700.64, 968.04 and 543.92

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Solution

The fourth proportional to 700.64, 968.04 and 543.92 is: 751.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    700.64 : 968.04 = 543.92 : x
  2. Step 2: Convert to fraction form
    700.64/968.04 = 543.92/x
  3. Step 3: Cross multiply
    700.64x = 968.04 × 543.92
  4. Step 4: Simplify right side
    700.64x = 526,536.32
  5. Step 5: Solve for x
    x = 526,536.32/700.64
  6. Step 6: Final answer
    x = 751.51

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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.