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Finding the Fourth Proportional to 256,116.60, 383,300.10 and 224,623.80

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Solution

The fourth proportional to 256,116.60, 383,300.10 and 224,623.80 is: 336,168.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    256,116.60 : 383,300.10 = 224,623.80 : x
  2. Step 2: Convert to fraction form
    256,116.60/383,300.10 = 224,623.80/x
  3. Step 3: Cross multiply
    256,116.60x = 383,300.10 × 224,623.80
  4. Step 4: Simplify right side
    256,116.60x = 86,098,325,002.38
  5. Step 5: Solve for x
    x = 86,098,325,002.38/256,116.60
  6. Step 6: Final answer
    x = 336,168.47

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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.