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Finding the Fourth Proportional to 277,762.68, 383,305.32 and 156,916.44

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Solution

The fourth proportional to 277,762.68, 383,305.32 and 156,916.44 is: 216,540.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    277,762.68 : 383,305.32 = 156,916.44 : x
  2. Step 2: Convert to fraction form
    277,762.68/383,305.32 = 156,916.44/x
  3. Step 3: Cross multiply
    277,762.68x = 383,305.32 × 156,916.44
  4. Step 4: Simplify right side
    277,762.68x = 60,146,906,247.46
  5. Step 5: Solve for x
    x = 60,146,906,247.46/277,762.68
  6. Step 6: Final answer
    x = 216,540.63

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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.