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Finding the Fourth Proportional to 353,250.66, 487,400.58 and 224,142.06

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Solution

The fourth proportional to 353,250.66, 487,400.58 and 224,142.06 is: 309,261.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    353,250.66 : 487,400.58 = 224,142.06 : x
  2. Step 2: Convert to fraction form
    353,250.66/487,400.58 = 224,142.06/x
  3. Step 3: Cross multiply
    353,250.66x = 487,400.58 × 224,142.06
  4. Step 4: Simplify right side
    353,250.66x = 109,246,970,046.40
  5. Step 5: Solve for x
    x = 109,246,970,046.40/353,250.66
  6. Step 6: Final answer
    x = 309,261.90

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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.