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Finding the Fourth Proportional to 517,244.16, 713,392.16 and 353,997.44

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Solution

The fourth proportional to 517,244.16, 713,392.16 and 353,997.44 is: 488,239.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    517,244.16 : 713,392.16 = 353,997.44 : x
  2. Step 2: Convert to fraction form
    517,244.16/713,392.16 = 353,997.44/x
  3. Step 3: Cross multiply
    517,244.16x = 713,392.16 × 353,997.44
  4. Step 4: Simplify right side
    517,244.16x = 252,538,998,356.07
  5. Step 5: Solve for x
    x = 252,538,998,356.07/517,244.16
  6. Step 6: Final answer
    x = 488,239.44

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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.