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Finding the Fourth Proportional to 324,073.66, 447,154.87 and 186,225.96

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Solution

The fourth proportional to 324,073.66, 447,154.87 and 186,225.96 is: 256,953.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    324,073.66 : 447,154.87 = 186,225.96 : x
  2. Step 2: Convert to fraction form
    324,073.66/447,154.87 = 186,225.96/x
  3. Step 3: Cross multiply
    324,073.66x = 447,154.87 × 186,225.96
  4. Step 4: Simplify right side
    324,073.66x = 83,271,844,975.36
  5. Step 5: Solve for x
    x = 83,271,844,975.36/324,073.66
  6. Step 6: Final answer
    x = 256,953.45

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.