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Finding the Fourth Proportional to 1,787,945.16, 2,681,895.06 and 440,124.60

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Solution

The fourth proportional to 1,787,945.16, 2,681,895.06 and 440,124.60 is: 660,181.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,787,945.16 : 2,681,895.06 = 440,124.60 : x
  2. Step 2: Convert to fraction form
    1,787,945.16/2,681,895.06 = 440,124.60/x
  3. Step 3: Cross multiply
    1,787,945.16x = 2,681,895.06 × 440,124.60
  4. Step 4: Simplify right side
    1,787,945.16x = 1,180,367,990,524.48
  5. Step 5: Solve for x
    x = 1,180,367,990,524.48/1,787,945.16
  6. Step 6: Final answer
    x = 660,181.32

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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.