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Finding the Fourth Proportional to 935.04, 1,402.23 and 276.74

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Solution

The fourth proportional to 935.04, 1,402.23 and 276.74 is: 415.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    935.04 : 1,402.23 = 276.74 : x
  2. Step 2: Convert to fraction form
    935.04/1,402.23 = 276.74/x
  3. Step 3: Cross multiply
    935.04x = 1,402.23 × 276.74
  4. Step 4: Simplify right side
    935.04x = 388,056.64
  5. Step 5: Solve for x
    x = 388,056.64/935.04
  6. Step 6: Final answer
    x = 415.02

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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.