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Finding the Fourth Proportional to 1,437.13, 2,156.01 and 463.24

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Solution

The fourth proportional to 1,437.13, 2,156.01 and 463.24 is: 694.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,437.13 : 2,156.01 = 463.24 : x
  2. Step 2: Convert to fraction form
    1,437.13/2,156.01 = 463.24/x
  3. Step 3: Cross multiply
    1,437.13x = 2,156.01 × 463.24
  4. Step 4: Simplify right side
    1,437.13x = 998,750.07
  5. Step 5: Solve for x
    x = 998,750.07/1,437.13
  6. Step 6: Final answer
    x = 694.96

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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.