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Finding the Fourth Proportional to 1,437.42, 2,156.58 and 463.59

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Solution

The fourth proportional to 1,437.42, 2,156.58 and 463.59 is: 695.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,437.42 : 2,156.58 = 463.59 : x
  2. Step 2: Convert to fraction form
    1,437.42/2,156.58 = 463.59/x
  3. Step 3: Cross multiply
    1,437.42x = 2,156.58 × 463.59
  4. Step 4: Simplify right side
    1,437.42x = 999,777.01
  5. Step 5: Solve for x
    x = 999,777.01/1,437.42
  6. Step 6: Final answer
    x = 695.54

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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.