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Finding the Fourth Proportional to 324,416.86, 447,630.32 and 181,154.86

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Solution

The fourth proportional to 324,416.86, 447,630.32 and 181,154.86 is: 249,957.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    324,416.86 : 447,630.32 = 181,154.86 : x
  2. Step 2: Convert to fraction form
    324,416.86/447,630.32 = 181,154.86/x
  3. Step 3: Cross multiply
    324,416.86x = 447,630.32 × 181,154.86
  4. Step 4: Simplify right side
    324,416.86x = 81,090,407,285.17
  5. Step 5: Solve for x
    x = 81,090,407,285.17/324,416.86
  6. Step 6: Final answer
    x = 249,957.44

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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.