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Finding the Fourth Proportional to 1,282.55, 1,924.00 and 460.67

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Solution

The fourth proportional to 1,282.55, 1,924.00 and 460.67 is: 691.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,282.55 : 1,924.00 = 460.67 : x
  2. Step 2: Convert to fraction form
    1,282.55/1,924.00 = 460.67/x
  3. Step 3: Cross multiply
    1,282.55x = 1,924.00 × 460.67
  4. Step 4: Simplify right side
    1,282.55x = 886,318.31
  5. Step 5: Solve for x
    x = 886,318.31/1,282.55
  6. Step 6: Final answer
    x = 691.06

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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.