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Finding the Fourth Proportional to 935.97, 1,403.88 and 473.46

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Solution

The fourth proportional to 935.97, 1,403.88 and 473.46 is: 710.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    935.97 : 1,403.88 = 473.46 : x
  2. Step 2: Convert to fraction form
    935.97/1,403.88 = 473.46/x
  3. Step 3: Cross multiply
    935.97x = 1,403.88 × 473.46
  4. Step 4: Simplify right side
    935.97x = 664,681.02
  5. Step 5: Solve for x
    x = 664,681.02/935.97
  6. Step 6: Final answer
    x = 710.15

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Double scale
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1.5x scale

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.