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Finding the Fourth Proportional to 517,192.60, 713,824.10 and 323,690.32

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Solution

The fourth proportional to 517,192.60, 713,824.10 and 323,690.32 is: 446,754.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    517,192.60 : 713,824.10 = 323,690.32 : x
  2. Step 2: Convert to fraction form
    517,192.60/713,824.10 = 323,690.32/x
  3. Step 3: Cross multiply
    517,192.60x = 713,824.10 × 323,690.32
  4. Step 4: Simplify right side
    517,192.60x = 231,057,951,352.71
  5. Step 5: Solve for x
    x = 231,057,951,352.71/517,192.60
  6. Step 6: Final answer
    x = 446,754.17

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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.