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Finding the Fourth Proportional to 483,543.36, 724,870.24 and 259,058.24

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Solution

The fourth proportional to 483,543.36, 724,870.24 and 259,058.24 is: 388,349.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    483,543.36 : 724,870.24 = 259,058.24 : x
  2. Step 2: Convert to fraction form
    483,543.36/724,870.24 = 259,058.24/x
  3. Step 3: Cross multiply
    483,543.36x = 724,870.24 × 259,058.24
  4. Step 4: Simplify right side
    483,543.36x = 187,783,608,602.78
  5. Step 5: Solve for x
    x = 187,783,608,602.78/483,543.36
  6. Step 6: Final answer
    x = 388,349.06

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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.