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Finding the Fourth Proportional to 224,295.32, 336,385.74 and 66,486.80

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Solution

The fourth proportional to 224,295.32, 336,385.74 and 66,486.80 is: 99,713.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    224,295.32 : 336,385.74 = 66,486.80 : x
  2. Step 2: Convert to fraction form
    224,295.32/336,385.74 = 66,486.80/x
  3. Step 3: Cross multiply
    224,295.32x = 336,385.74 × 66,486.80
  4. Step 4: Simplify right side
    224,295.32x = 22,365,211,418.23
  5. Step 5: Solve for x
    x = 22,365,211,418.23/224,295.32
  6. Step 6: Final answer
    x = 99,713.23

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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.