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Finding the Fourth Proportional to 1,023.05, 1,533.40 and 468.16

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Solution

The fourth proportional to 1,023.05, 1,533.40 and 468.16 is: 701.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,023.05 : 1,533.40 = 468.16 : x
  2. Step 2: Convert to fraction form
    1,023.05/1,533.40 = 468.16/x
  3. Step 3: Cross multiply
    1,023.05x = 1,533.40 × 468.16
  4. Step 4: Simplify right side
    1,023.05x = 717,876.54
  5. Step 5: Solve for x
    x = 717,876.54/1,023.05
  6. Step 6: Final answer
    x = 701.70

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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.