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Finding the Fourth Proportional to 935.97, 1,403.15 and 502.62

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Solution

The fourth proportional to 935.97, 1,403.15 and 502.62 is: 753.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    935.97 : 1,403.15 = 502.62 : x
  2. Step 2: Convert to fraction form
    935.97/1,403.15 = 502.62/x
  3. Step 3: Cross multiply
    935.97x = 1,403.15 × 502.62
  4. Step 4: Simplify right side
    935.97x = 705,248.74
  5. Step 5: Solve for x
    x = 705,248.74/935.97
  6. Step 6: Final answer
    x = 753.50

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Double scale
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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.