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Finding the Fourth Proportional to 468,420.15, 702,958.28 and 202,371.60

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Solution

The fourth proportional to 468,420.15, 702,958.28 and 202,371.60 is: 303,699.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    468,420.15 : 702,958.28 = 202,371.60 : x
  2. Step 2: Convert to fraction form
    468,420.15/702,958.28 = 202,371.60/x
  3. Step 3: Cross multiply
    468,420.15x = 702,958.28 × 202,371.60
  4. Step 4: Simplify right side
    468,420.15x = 142,258,791,856.85
  5. Step 5: Solve for x
    x = 142,258,791,856.85/468,420.15
  6. Step 6: Final answer
    x = 303,699.13

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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.