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Finding the Fourth Proportional to 469,272.37, 703,908.54 and 216,478.07

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Solution

The fourth proportional to 469,272.37, 703,908.54 and 216,478.07 is: 324,717.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    469,272.37 : 703,908.54 = 216,478.07 : x
  2. Step 2: Convert to fraction form
    469,272.37/703,908.54 = 216,478.07/x
  3. Step 3: Cross multiply
    469,272.37x = 703,908.54 × 216,478.07
  4. Step 4: Simplify right side
    469,272.37x = 152,380,762,195.72
  5. Step 5: Solve for x
    x = 152,380,762,195.72/469,272.37
  6. Step 6: Final answer
    x = 324,717.10

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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.