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Finding the Fourth Proportional to 672,177.78, 927,593.66 and 366,256.68

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Solution

The fourth proportional to 672,177.78, 927,593.66 and 366,256.68 is: 505,427.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    672,177.78 : 927,593.66 = 366,256.68 : x
  2. Step 2: Convert to fraction form
    672,177.78/927,593.66 = 366,256.68/x
  3. Step 3: Cross multiply
    672,177.78x = 927,593.66 × 366,256.68
  4. Step 4: Simplify right side
    672,177.78x = 339,737,370,364.35
  5. Step 5: Solve for x
    x = 339,737,370,364.35/672,177.78
  6. Step 6: Final answer
    x = 505,427.85

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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.