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Finding the Fourth Proportional to 277,750.69, 383,319.56 and 156,914.16

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Solution

The fourth proportional to 277,750.69, 383,319.56 and 156,914.16 is: 216,554.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    277,750.69 : 383,319.56 = 156,914.16 : x
  2. Step 2: Convert to fraction form
    277,750.69/383,319.56 = 156,914.16/x
  3. Step 3: Cross multiply
    277,750.69x = 383,319.56 × 156,914.16
  4. Step 4: Simplify right side
    277,750.69x = 60,148,266,768.97
  5. Step 5: Solve for x
    x = 60,148,266,768.97/277,750.69
  6. Step 6: Final answer
    x = 216,554.88

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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.