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Finding the Fourth Proportional to 621,775.44, 932,663.16 and 222,392.16

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Solution

The fourth proportional to 621,775.44, 932,663.16 and 222,392.16 is: 333,588.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    621,775.44 : 932,663.16 = 222,392.16 : x
  2. Step 2: Convert to fraction form
    621,775.44/932,663.16 = 222,392.16/x
  3. Step 3: Cross multiply
    621,775.44x = 932,663.16 × 222,392.16
  4. Step 4: Simplify right side
    621,775.44x = 207,416,974,704.83
  5. Step 5: Solve for x
    x = 207,416,974,704.83/621,775.44
  6. Step 6: Final answer
    x = 333,588.24

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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.