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Finding the Fourth Proportional to 483,280.86, 725,159.44 and 217,234.74

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Solution

The fourth proportional to 483,280.86, 725,159.44 and 217,234.74 is: 325,959.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    483,280.86 : 725,159.44 = 217,234.74 : x
  2. Step 2: Convert to fraction form
    483,280.86/725,159.44 = 217,234.74/x
  3. Step 3: Cross multiply
    483,280.86x = 725,159.44 × 217,234.74
  4. Step 4: Simplify right side
    483,280.86x = 157,529,822,406.95
  5. Step 5: Solve for x
    x = 157,529,822,406.95/483,280.86
  6. Step 6: Final answer
    x = 325,959.16

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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.