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Finding the Fourth Proportional to 277,755.46, 383,326.14 and 156,918.92

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Solution

The fourth proportional to 277,755.46, 383,326.14 and 156,918.92 is: 216,561.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    277,755.46 : 383,326.14 = 156,918.92 : x
  2. Step 2: Convert to fraction form
    277,755.46/383,326.14 = 156,918.92/x
  3. Step 3: Cross multiply
    277,755.46x = 383,326.14 × 156,918.92
  4. Step 4: Simplify right side
    277,755.46x = 60,151,123,896.57
  5. Step 5: Solve for x
    x = 60,151,123,896.57/277,755.46
  6. Step 6: Final answer
    x = 216,561.45

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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.