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Finding the Fourth Proportional to 517,258.04, 775,383.82 and 247,316.02

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Solution

The fourth proportional to 517,258.04, 775,383.82 and 247,316.02 is: 370,733.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    517,258.04 : 775,383.82 = 247,316.02 : x
  2. Step 2: Convert to fraction form
    517,258.04/775,383.82 = 247,316.02/x
  3. Step 3: Cross multiply
    517,258.04x = 775,383.82 × 247,316.02
  4. Step 4: Simplify right side
    517,258.04x = 191,764,837,778.05
  5. Step 5: Solve for x
    x = 191,764,837,778.05/517,258.04
  6. Step 6: Final answer
    x = 370,733.42

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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.