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Finding the Fourth Proportional to 437,223.86, 603,360.82 and 238,314.78

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Solution

The fourth proportional to 437,223.86, 603,360.82 and 238,314.78 is: 328,869.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    437,223.86 : 603,360.82 = 238,314.78 : x
  2. Step 2: Convert to fraction form
    437,223.86/603,360.82 = 238,314.78/x
  3. Step 3: Cross multiply
    437,223.86x = 603,360.82 × 238,314.78
  4. Step 4: Simplify right side
    437,223.86x = 143,789,798,062.12
  5. Step 5: Solve for x
    x = 143,789,798,062.12/437,223.86
  6. Step 6: Final answer
    x = 328,869.97

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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.