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Finding the Fourth Proportional to 965.83, 1,332.53 and 546.14

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Solution

The fourth proportional to 965.83, 1,332.53 and 546.14 is: 753.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    965.83 : 1,332.53 = 546.14 : x
  2. Step 2: Convert to fraction form
    965.83/1,332.53 = 546.14/x
  3. Step 3: Cross multiply
    965.83x = 1,332.53 × 546.14
  4. Step 4: Simplify right side
    965.83x = 727,753.65
  5. Step 5: Solve for x
    x = 727,753.65/965.83
  6. Step 6: Final answer
    x = 753.50

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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.