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Finding the Fourth Proportional to 957.67, 1,437.10 and 587.99

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Solution

The fourth proportional to 957.67, 1,437.10 and 587.99 is: 882.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    957.67 : 1,437.10 = 587.99 : x
  2. Step 2: Convert to fraction form
    957.67/1,437.10 = 587.99/x
  3. Step 3: Cross multiply
    957.67x = 1,437.10 × 587.99
  4. Step 4: Simplify right side
    957.67x = 845,000.43
  5. Step 5: Solve for x
    x = 845,000.43/957.67
  6. Step 6: Final answer
    x = 882.35

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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.