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Finding the Fourth Proportional to 277,773.92, 383,335.88 and 156,920.32

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Solution

The fourth proportional to 277,773.92, 383,335.88 and 156,920.32 is: 216,554.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    277,773.92 : 383,335.88 = 156,920.32 : x
  2. Step 2: Convert to fraction form
    277,773.92/383,335.88 = 156,920.32/x
  3. Step 3: Cross multiply
    277,773.92x = 383,335.88 × 156,920.32
  4. Step 4: Simplify right side
    277,773.92x = 60,153,188,957.08
  5. Step 5: Solve for x
    x = 60,153,188,957.08/277,773.92
  6. Step 6: Final answer
    x = 216,554.49

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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.