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Finding the Fourth Proportional to 228,168.60, 342,252.90 and 224,280.60

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Solution

The fourth proportional to 228,168.60, 342,252.90 and 224,280.60 is: 336,420.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,168.60 : 342,252.90 = 224,280.60 : x
  2. Step 2: Convert to fraction form
    228,168.60/342,252.90 = 224,280.60/x
  3. Step 3: Cross multiply
    228,168.60x = 342,252.90 × 224,280.60
  4. Step 4: Simplify right side
    228,168.60x = 76,760,685,763.74
  5. Step 5: Solve for x
    x = 76,760,685,763.74/228,168.60
  6. Step 6: Final answer
    x = 336,420.90

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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.