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Finding the Fourth Proportional to 965.99, 1,332.62 and 567.66

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Solution

The fourth proportional to 965.99, 1,332.62 and 567.66 is: 783.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    965.99 : 1,332.62 = 567.66 : x
  2. Step 2: Convert to fraction form
    965.99/1,332.62 = 567.66/x
  3. Step 3: Cross multiply
    965.99x = 1,332.62 × 567.66
  4. Step 4: Simplify right side
    965.99x = 756,475.07
  5. Step 5: Solve for x
    x = 756,475.07/965.99
  6. Step 6: Final answer
    x = 783.11

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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.