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Finding the Fourth Proportional to 966.69, 1,334.01 and 568.35

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Solution

The fourth proportional to 966.69, 1,334.01 and 568.35 is: 784.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    966.69 : 1,334.01 = 568.35 : x
  2. Step 2: Convert to fraction form
    966.69/1,334.01 = 568.35/x
  3. Step 3: Cross multiply
    966.69x = 1,334.01 × 568.35
  4. Step 4: Simplify right side
    966.69x = 758,184.58
  5. Step 5: Solve for x
    x = 758,184.58/966.69
  6. Step 6: Final answer
    x = 784.31

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1.5x scale

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.