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Finding the Fourth Proportional to 277,737.30, 383,277.69 and 156,878.82

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Solution

The fourth proportional to 277,737.30, 383,277.69 and 156,878.82 is: 216,492.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    277,737.30 : 383,277.69 = 156,878.82 : x
  2. Step 2: Convert to fraction form
    277,737.30/383,277.69 = 156,878.82/x
  3. Step 3: Cross multiply
    277,737.30x = 383,277.69 × 156,878.82
  4. Step 4: Simplify right side
    277,737.30x = 60,128,151,739.53
  5. Step 5: Solve for x
    x = 60,128,151,739.53/277,737.30
  6. Step 6: Final answer
    x = 216,492.89

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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.