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Finding the Fourth Proportional to 1,042.14, 1,437.90 and 600

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Solution

The fourth proportional to 1,042.14, 1,437.90 and 600 is: 827.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,042.14 : 1,437.90 = 600 : x
  2. Step 2: Convert to fraction form
    1,042.14/1,437.90 = 600/x
  3. Step 3: Cross multiply
    1,042.14x = 1,437.90 × 600
  4. Step 4: Simplify right side
    1,042.14x = 862,740
  5. Step 5: Solve for x
    x = 862,740/1,042.14
  6. Step 6: Final answer
    x = 827.85

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.