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Finding the Fourth Proportional to 468,612.70, 702,919.05 and 450,241.90

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Solution

The fourth proportional to 468,612.70, 702,919.05 and 450,241.90 is: 675,362.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    468,612.70 : 702,919.05 = 450,241.90 : x
  2. Step 2: Convert to fraction form
    468,612.70/702,919.05 = 450,241.90/x
  3. Step 3: Cross multiply
    468,612.70x = 702,919.05 × 450,241.90
  4. Step 4: Simplify right side
    468,612.70x = 316,483,608,618.20
  5. Step 5: Solve for x
    x = 316,483,608,618.20/468,612.70
  6. Step 6: Final answer
    x = 675,362.85

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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.