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Finding the Fourth Proportional to 700, 965.88 and 476.04

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Solution

The fourth proportional to 700, 965.88 and 476.04 is: 656.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    700 : 965.88 = 476.04 : x
  2. Step 2: Convert to fraction form
    700/965.88 = 476.04/x
  3. Step 3: Cross multiply
    700x = 965.88 × 476.04
  4. Step 4: Simplify right side
    700x = 459,797.52
  5. Step 5: Solve for x
    x = 459,797.52/700
  6. Step 6: Final answer
    x = 656.85

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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.