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Finding the Fourth Proportional to 277,312.44, 382,658.24 and 156,446.67

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Solution

The fourth proportional to 277,312.44, 382,658.24 and 156,446.67 is: 215,877.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    277,312.44 : 382,658.24 = 156,446.67 : x
  2. Step 2: Convert to fraction form
    277,312.44/382,658.24 = 156,446.67/x
  3. Step 3: Cross multiply
    277,312.44x = 382,658.24 × 156,446.67
  4. Step 4: Simplify right side
    277,312.44x = 59,865,606,613.83
  5. Step 5: Solve for x
    x = 59,865,606,613.83/277,312.44
  6. Step 6: Final answer
    x = 215,877.83

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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.