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Finding the Fourth Proportional to 483,370.94, 724,881.45 and 230,641.22

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Solution

The fourth proportional to 483,370.94, 724,881.45 and 230,641.22 is: 345,878.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    483,370.94 : 724,881.45 = 230,641.22 : x
  2. Step 2: Convert to fraction form
    483,370.94/724,881.45 = 230,641.22/x
  3. Step 3: Cross multiply
    483,370.94x = 724,881.45 × 230,641.22
  4. Step 4: Simplify right side
    483,370.94x = 167,187,544,660.48
  5. Step 5: Solve for x
    x = 167,187,544,660.48/483,370.94
  6. Step 6: Final answer
    x = 345,878.35

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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.