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Finding the Fourth Proportional to 277,774.37, 383,326.83 and 156,954.77

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Solution

The fourth proportional to 277,774.37, 383,326.83 and 156,954.77 is: 216,596.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    277,774.37 : 383,326.83 = 156,954.77 : x
  2. Step 2: Convert to fraction form
    277,774.37/383,326.83 = 156,954.77/x
  3. Step 3: Cross multiply
    277,774.37x = 383,326.83 × 156,954.77
  4. Step 4: Simplify right side
    277,774.37x = 60,164,974,437.48
  5. Step 5: Solve for x
    x = 60,164,974,437.48/277,774.37
  6. Step 6: Final answer
    x = 216,596.57

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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.