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Finding the Fourth Proportional to 277,333.69, 382,687.56 and 156,467.92

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Solution

The fourth proportional to 277,333.69, 382,687.56 and 156,467.92 is: 215,907.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    277,333.69 : 382,687.56 = 156,467.92 : x
  2. Step 2: Convert to fraction form
    277,333.69/382,687.56 = 156,467.92/x
  3. Step 3: Cross multiply
    277,333.69x = 382,687.56 × 156,467.92
  4. Step 4: Simplify right side
    277,333.69x = 59,878,326,523.08
  5. Step 5: Solve for x
    x = 59,878,326,523.08/277,333.69
  6. Step 6: Final answer
    x = 215,907.15

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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.