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Finding the Fourth Proportional to 1,334.72, 2,002.35 and 468.92

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Solution

The fourth proportional to 1,334.72, 2,002.35 and 468.92 is: 703.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,334.72 : 2,002.35 = 468.92 : x
  2. Step 2: Convert to fraction form
    1,334.72/2,002.35 = 468.92/x
  3. Step 3: Cross multiply
    1,334.72x = 2,002.35 × 468.92
  4. Step 4: Simplify right side
    1,334.72x = 938,941.96
  5. Step 5: Solve for x
    x = 938,941.96/1,334.72
  6. Step 6: Final answer
    x = 703.47

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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.