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Finding the Fourth Proportional to 590,879.52, 886,435.92 and 216,905.76

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Solution

The fourth proportional to 590,879.52, 886,435.92 and 216,905.76 is: 325,401.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    590,879.52 : 886,435.92 = 216,905.76 : x
  2. Step 2: Convert to fraction form
    590,879.52/886,435.92 = 216,905.76/x
  3. Step 3: Cross multiply
    590,879.52x = 886,435.92 × 216,905.76
  4. Step 4: Simplify right side
    590,879.52x = 192,273,056,918.90
  5. Step 5: Solve for x
    x = 192,273,056,918.90/590,879.52
  6. Step 6: Final answer
    x = 325,401.46

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1.5x scale

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.