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Finding the Fourth Proportional to 935.14, 1,404.01 and 524.54

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Solution

The fourth proportional to 935.14, 1,404.01 and 524.54 is: 787.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    935.14 : 1,404.01 = 524.54 : x
  2. Step 2: Convert to fraction form
    935.14/1,404.01 = 524.54/x
  3. Step 3: Cross multiply
    935.14x = 1,404.01 × 524.54
  4. Step 4: Simplify right side
    935.14x = 736,459.41
  5. Step 5: Solve for x
    x = 736,459.41/935.14
  6. Step 6: Final answer
    x = 787.54

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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.