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Finding the Fourth Proportional to 224,245.80, 336,368.70 and 144,930.60

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Solution

The fourth proportional to 224,245.80, 336,368.70 and 144,930.60 is: 217,395.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    224,245.80 : 336,368.70 = 144,930.60 : x
  2. Step 2: Convert to fraction form
    224,245.80/336,368.70 = 144,930.60/x
  3. Step 3: Cross multiply
    224,245.80x = 336,368.70 × 144,930.60
  4. Step 4: Simplify right side
    224,245.80x = 48,750,117,512.22
  5. Step 5: Solve for x
    x = 48,750,117,512.22/224,245.80
  6. Step 6: Final answer
    x = 217,395.90

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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.