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Finding the Fourth Proportional to 1,468.39, 2,201.95 and 555.75

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Solution

The fourth proportional to 1,468.39, 2,201.95 and 555.75 is: 833.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,468.39 : 2,201.95 = 555.75 : x
  2. Step 2: Convert to fraction form
    1,468.39/2,201.95 = 555.75/x
  3. Step 3: Cross multiply
    1,468.39x = 2,201.95 × 555.75
  4. Step 4: Simplify right side
    1,468.39x = 1,223,730.93
  5. Step 5: Solve for x
    x = 1,223,730.93/1,468.39
  6. Step 6: Final answer
    x = 833.38

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1.5x scale

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.