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Finding the Fourth Proportional to 324,624.50, 447,980.57 and 181,384.50

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Solution

The fourth proportional to 324,624.50, 447,980.57 and 181,384.50 is: 250,309.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    324,624.50 : 447,980.57 = 181,384.50 : x
  2. Step 2: Convert to fraction form
    324,624.50/447,980.57 = 181,384.50/x
  3. Step 3: Cross multiply
    324,624.50x = 447,980.57 × 181,384.50
  4. Step 4: Simplify right side
    324,624.50x = 81,256,730,792.24
  5. Step 5: Solve for x
    x = 81,256,730,792.24/324,624.50
  6. Step 6: Final answer
    x = 250,309.92

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1.5x scale

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.