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Finding the Fourth Proportional to 224,690.86, 336,923.38 and 74,878.66

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Solution

The fourth proportional to 224,690.86, 336,923.38 and 74,878.66 is: 112,280.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    224,690.86 : 336,923.38 = 74,878.66 : x
  2. Step 2: Convert to fraction form
    224,690.86/336,923.38 = 74,878.66/x
  3. Step 3: Cross multiply
    224,690.86x = 336,923.38 × 74,878.66
  4. Step 4: Simplify right side
    224,690.86x = 25,228,371,217.07
  5. Step 5: Solve for x
    x = 25,228,371,217.07/224,690.86
  6. Step 6: Final answer
    x = 112,280.36

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.