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Finding the Fourth Proportional to 935.46, 1,404.63 and 589.32

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Solution

The fourth proportional to 935.46, 1,404.63 and 589.32 is: 884.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    935.46 : 1,404.63 = 589.32 : x
  2. Step 2: Convert to fraction form
    935.46/1,404.63 = 589.32/x
  3. Step 3: Cross multiply
    935.46x = 1,404.63 × 589.32
  4. Step 4: Simplify right side
    935.46x = 827,776.55
  5. Step 5: Solve for x
    x = 827,776.55/935.46
  6. Step 6: Final answer
    x = 884.89

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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.