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Finding the Fourth Proportional to 621,661.30, 932,491.96 and 222,277.86

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Solution

The fourth proportional to 621,661.30, 932,491.96 and 222,277.86 is: 333,416.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    621,661.30 : 932,491.96 = 222,277.86 : x
  2. Step 2: Convert to fraction form
    621,661.30/932,491.96 = 222,277.86/x
  3. Step 3: Cross multiply
    621,661.30x = 932,491.96 × 222,277.86
  4. Step 4: Simplify right side
    621,661.30x = 207,272,316,780.31
  5. Step 5: Solve for x
    x = 207,272,316,780.31/621,661.30
  6. Step 6: Final answer
    x = 333,416.79

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Double scale
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Similar ratio
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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.