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Finding the Fourth Proportional to 925.63, 1,277.40 and 532.69

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Solution

The fourth proportional to 925.63, 1,277.40 and 532.69 is: 735.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    925.63 : 1,277.40 = 532.69 : x
  2. Step 2: Convert to fraction form
    925.63/1,277.40 = 532.69/x
  3. Step 3: Cross multiply
    925.63x = 1,277.40 × 532.69
  4. Step 4: Simplify right side
    925.63x = 680,458.21
  5. Step 5: Solve for x
    x = 680,458.21/925.63
  6. Step 6: Final answer
    x = 735.13

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Half scale
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Double scale
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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.