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Finding the Fourth Proportional to 446,568.60, 668,816.10 and 436,200.60

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Solution

The fourth proportional to 446,568.60, 668,816.10 and 436,200.60 is: 653,288.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    446,568.60 : 668,816.10 = 436,200.60 : x
  2. Step 2: Convert to fraction form
    446,568.60/668,816.10 = 436,200.60/x
  3. Step 3: Cross multiply
    446,568.60x = 668,816.10 × 436,200.60
  4. Step 4: Simplify right side
    446,568.60x = 291,737,984,109.66
  5. Step 5: Solve for x
    x = 291,737,984,109.66/446,568.60
  6. Step 6: Final answer
    x = 653,288.17

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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.