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Finding the Fourth Proportional to 315,067.70, 472,601.55 and 173,350.10

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Solution

The fourth proportional to 315,067.70, 472,601.55 and 173,350.10 is: 260,025.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    315,067.70 : 472,601.55 = 173,350.10 : x
  2. Step 2: Convert to fraction form
    315,067.70/472,601.55 = 173,350.10/x
  3. Step 3: Cross multiply
    315,067.70x = 472,601.55 × 173,350.10
  4. Step 4: Simplify right side
    315,067.70x = 81,925,525,952.66
  5. Step 5: Solve for x
    x = 81,925,525,952.66/315,067.70
  6. Step 6: Final answer
    x = 260,025.15

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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.