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Finding the Fourth Proportional to 1,334.64, 2,001.72 and 468.56

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Solution

The fourth proportional to 1,334.64, 2,001.72 and 468.56 is: 702.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,334.64 : 2,001.72 = 468.56 : x
  2. Step 2: Convert to fraction form
    1,334.64/2,001.72 = 468.56/x
  3. Step 3: Cross multiply
    1,334.64x = 2,001.72 × 468.56
  4. Step 4: Simplify right side
    1,334.64x = 937,925.92
  5. Step 5: Solve for x
    x = 937,925.92/1,334.64
  6. Step 6: Final answer
    x = 702.76

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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.