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Finding the Fourth Proportional to 363,379.68, 502,032.74 and 277,638.75

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Solution

The fourth proportional to 363,379.68, 502,032.74 and 277,638.75 is: 383,576.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    363,379.68 : 502,032.74 = 277,638.75 : x
  2. Step 2: Convert to fraction form
    363,379.68/502,032.74 = 277,638.75/x
  3. Step 3: Cross multiply
    363,379.68x = 502,032.74 × 277,638.75
  4. Step 4: Simplify right side
    363,379.68x = 139,383,741,004.48
  5. Step 5: Solve for x
    x = 139,383,741,004.48/363,379.68
  6. Step 6: Final answer
    x = 383,576.05

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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.