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Finding the Fourth Proportional to 1,346.56, 2,017.60 and 468.59

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Solution

The fourth proportional to 1,346.56, 2,017.60 and 468.59 is: 702.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,346.56 : 2,017.60 = 468.59 : x
  2. Step 2: Convert to fraction form
    1,346.56/2,017.60 = 468.59/x
  3. Step 3: Cross multiply
    1,346.56x = 2,017.60 × 468.59
  4. Step 4: Simplify right side
    1,346.56x = 945,415.92
  5. Step 5: Solve for x
    x = 945,415.92/1,346.56
  6. Step 6: Final answer
    x = 702.10

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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.