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Finding the Fourth Proportional to 590,947.20, 886,161.60 and 235,843.20

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Solution

The fourth proportional to 590,947.20, 886,161.60 and 235,843.20 is: 353,661.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    590,947.20 : 886,161.60 = 235,843.20 : x
  2. Step 2: Convert to fraction form
    590,947.20/886,161.60 = 235,843.20/x
  3. Step 3: Cross multiply
    590,947.20x = 886,161.60 × 235,843.20
  4. Step 4: Simplify right side
    590,947.20x = 208,995,187,461.12
  5. Step 5: Solve for x
    x = 208,995,187,461.12/590,947.20
  6. Step 6: Final answer
    x = 353,661.35

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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.