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Finding the Fourth Proportional to 1,558.66, 2,337.96 and 463.76

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Solution

The fourth proportional to 1,558.66, 2,337.96 and 463.76 is: 695.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,558.66 : 2,337.96 = 463.76 : x
  2. Step 2: Convert to fraction form
    1,558.66/2,337.96 = 463.76/x
  3. Step 3: Cross multiply
    1,558.66x = 2,337.96 × 463.76
  4. Step 4: Simplify right side
    1,558.66x = 1,084,252.33
  5. Step 5: Solve for x
    x = 1,084,252.33/1,558.66
  6. Step 6: Final answer
    x = 695.63

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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.