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Finding the Fourth Proportional to 295,831.48, 408,283.40 and 166,794.80

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Solution

The fourth proportional to 295,831.48, 408,283.40 and 166,794.80 is: 230,197.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    295,831.48 : 408,283.40 = 166,794.80 : x
  2. Step 2: Convert to fraction form
    295,831.48/408,283.40 = 166,794.80/x
  3. Step 3: Cross multiply
    295,831.48x = 408,283.40 × 166,794.80
  4. Step 4: Simplify right side
    295,831.48x = 68,099,548,046.32
  5. Step 5: Solve for x
    x = 68,099,548,046.32/295,831.48
  6. Step 6: Final answer
    x = 230,197.10

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.