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Finding the Fourth Proportional to 662,948.73, 994,856.73 and 363,640.01

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Solution

The fourth proportional to 662,948.73, 994,856.73 and 363,640.01 is: 545,697.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    662,948.73 : 994,856.73 = 363,640.01 : x
  2. Step 2: Convert to fraction form
    662,948.73/994,856.73 = 363,640.01/x
  3. Step 3: Cross multiply
    662,948.73x = 994,856.73 × 363,640.01
  4. Step 4: Simplify right side
    662,948.73x = 361,769,709,751.34
  5. Step 5: Solve for x
    x = 361,769,709,751.34/662,948.73
  6. Step 6: Final answer
    x = 545,697.87

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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.