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Finding the Fourth Proportional to 335,533.97, 504,141.71 and 315,355.82

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Solution

The fourth proportional to 335,533.97, 504,141.71 and 315,355.82 is: 473,823.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    335,533.97 : 504,141.71 = 315,355.82 : x
  2. Step 2: Convert to fraction form
    335,533.97/504,141.71 = 315,355.82/x
  3. Step 3: Cross multiply
    335,533.97x = 504,141.71 × 315,355.82
  4. Step 4: Simplify right side
    335,533.97x = 158,984,022,353.25
  5. Step 5: Solve for x
    x = 158,984,022,353.25/335,533.97
  6. Step 6: Final answer
    x = 473,823.92

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.