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Finding the Fourth Proportional to 246,064.40, 368,221.80 and 170,831.60

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Solution

The fourth proportional to 246,064.40, 368,221.80 and 170,831.60 is: 255,640.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    246,064.40 : 368,221.80 = 170,831.60 : x
  2. Step 2: Convert to fraction form
    246,064.40/368,221.80 = 170,831.60/x
  3. Step 3: Cross multiply
    246,064.40x = 368,221.80 × 170,831.60
  4. Step 4: Simplify right side
    246,064.40x = 62,903,919,248.88
  5. Step 5: Solve for x
    x = 62,903,919,248.88/246,064.40
  6. Step 6: Final answer
    x = 255,640.07

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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.