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Finding the Fourth Proportional to 954.92, 1,317.64 and 535.24

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Solution

The fourth proportional to 954.92, 1,317.64 and 535.24 is: 738.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    954.92 : 1,317.64 = 535.24 : x
  2. Step 2: Convert to fraction form
    954.92/1,317.64 = 535.24/x
  3. Step 3: Cross multiply
    954.92x = 1,317.64 × 535.24
  4. Step 4: Simplify right side
    954.92x = 705,253.63
  5. Step 5: Solve for x
    x = 705,253.63/954.92
  6. Step 6: Final answer
    x = 738.55

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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.