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Finding the Fourth Proportional to 224,621.30, 310,305.30 and 194,354.07

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Solution

The fourth proportional to 224,621.30, 310,305.30 and 194,354.07 is: 268,492.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    224,621.30 : 310,305.30 = 194,354.07 : x
  2. Step 2: Convert to fraction form
    224,621.30/310,305.30 = 194,354.07/x
  3. Step 3: Cross multiply
    224,621.30x = 310,305.30 × 194,354.07
  4. Step 4: Simplify right side
    224,621.30x = 60,309,097,997.57
  5. Step 5: Solve for x
    x = 60,309,097,997.57/224,621.30
  6. Step 6: Final answer
    x = 268,492.34

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.