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Finding the Fourth Proportional to 277,520.40, 415,843.20 and 232,905.60

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Solution

The fourth proportional to 277,520.40, 415,843.20 and 232,905.60 is: 348,991.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    277,520.40 : 415,843.20 = 232,905.60 : x
  2. Step 2: Convert to fraction form
    277,520.40/415,843.20 = 232,905.60/x
  3. Step 3: Cross multiply
    277,520.40x = 415,843.20 × 232,905.60
  4. Step 4: Simplify right side
    277,520.40x = 96,852,210,001.92
  5. Step 5: Solve for x
    x = 96,852,210,001.92/277,520.40
  6. Step 6: Final answer
    x = 348,991.32

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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.