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Finding the Fourth Proportional to 277,712.08, 383,243.04 and 150,387.88

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Solution

The fourth proportional to 277,712.08, 383,243.04 and 150,387.88 is: 207,535.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    277,712.08 : 383,243.04 = 150,387.88 : x
  2. Step 2: Convert to fraction form
    277,712.08/383,243.04 = 150,387.88/x
  3. Step 3: Cross multiply
    277,712.08x = 383,243.04 × 150,387.88
  4. Step 4: Simplify right side
    277,712.08x = 57,635,108,310.36
  5. Step 5: Solve for x
    x = 57,635,108,310.36/277,712.08
  6. Step 6: Final answer
    x = 207,535.47

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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.