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Finding the Fourth Proportional to 323,186.69, 485,001.47 and 112,824.63

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Solution

The fourth proportional to 323,186.69, 485,001.47 and 112,824.63 is: 169,314.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    323,186.69 : 485,001.47 = 112,824.63 : x
  2. Step 2: Convert to fraction form
    323,186.69/485,001.47 = 112,824.63/x
  3. Step 3: Cross multiply
    323,186.69x = 485,001.47 × 112,824.63
  4. Step 4: Simplify right side
    323,186.69x = 54,720,111,684.27
  5. Step 5: Solve for x
    x = 54,720,111,684.27/323,186.69
  6. Step 6: Final answer
    x = 169,314.25

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1.5x scale

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.