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Finding the Fourth Proportional to 606,535.60, 910,552.20 and 381,895.60

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Solution

The fourth proportional to 606,535.60, 910,552.20 and 381,895.60 is: 573,314.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    606,535.60 : 910,552.20 = 381,895.60 : x
  2. Step 2: Convert to fraction form
    606,535.60/910,552.20 = 381,895.60/x
  3. Step 3: Cross multiply
    606,535.60x = 910,552.20 × 381,895.60
  4. Step 4: Simplify right side
    606,535.60x = 347,735,878,750.32
  5. Step 5: Solve for x
    x = 347,735,878,750.32/606,535.60
  6. Step 6: Final answer
    x = 573,314.87

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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.