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Finding the Fourth Proportional to 562,500.40, 843,923.40 and 444,218.80

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Solution

The fourth proportional to 562,500.40, 843,923.40 and 444,218.80 is: 666,464.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    562,500.40 : 843,923.40 = 444,218.80 : x
  2. Step 2: Convert to fraction form
    562,500.40/843,923.40 = 444,218.80/x
  3. Step 3: Cross multiply
    562,500.40x = 843,923.40 × 444,218.80
  4. Step 4: Simplify right side
    562,500.40x = 374,886,640,039.92
  5. Step 5: Solve for x
    x = 374,886,640,039.92/562,500.40
  6. Step 6: Final answer
    x = 666,464.66

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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.