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Finding the Fourth Proportional to 468,447.40, 702,999.15 and 202,398.85

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Solution

The fourth proportional to 468,447.40, 702,999.15 and 202,398.85 is: 303,740.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    468,447.40 : 702,999.15 = 202,398.85 : x
  2. Step 2: Convert to fraction form
    468,447.40/702,999.15 = 202,398.85/x
  3. Step 3: Cross multiply
    468,447.40x = 702,999.15 × 202,398.85
  4. Step 4: Simplify right side
    468,447.40x = 142,286,219,510.98
  5. Step 5: Solve for x
    x = 142,286,219,510.98/468,447.40
  6. Step 6: Final answer
    x = 303,740.01

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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.