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Finding the Fourth Proportional to 517,463.32, 713,863.38 and 373,996.12

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Solution

The fourth proportional to 517,463.32, 713,863.38 and 373,996.12 is: 515,944.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    517,463.32 : 713,863.38 = 373,996.12 : x
  2. Step 2: Convert to fraction form
    517,463.32/713,863.38 = 373,996.12/x
  3. Step 3: Cross multiply
    517,463.32x = 713,863.38 × 373,996.12
  4. Step 4: Simplify right side
    517,463.32x = 266,982,134,330.09
  5. Step 5: Solve for x
    x = 266,982,134,330.09/517,463.32
  6. Step 6: Final answer
    x = 515,944.08

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Double scale
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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.