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Finding the Fourth Proportional to 931.52, 1,395.48 and 468.17

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Solution

The fourth proportional to 931.52, 1,395.48 and 468.17 is: 701.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    931.52 : 1,395.48 = 468.17 : x
  2. Step 2: Convert to fraction form
    931.52/1,395.48 = 468.17/x
  3. Step 3: Cross multiply
    931.52x = 1,395.48 × 468.17
  4. Step 4: Simplify right side
    931.52x = 653,314.89
  5. Step 5: Solve for x
    x = 653,314.89/931.52
  6. Step 6: Final answer
    x = 701.35

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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.