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Finding the Fourth Proportional to 522,364.41, 783,546.62 and 148,338.81

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Solution

The fourth proportional to 522,364.41, 783,546.62 and 148,338.81 is: 222,508.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    522,364.41 : 783,546.62 = 148,338.81 : x
  2. Step 2: Convert to fraction form
    522,364.41/783,546.62 = 148,338.81/x
  3. Step 3: Cross multiply
    522,364.41x = 783,546.62 × 148,338.81
  4. Step 4: Simplify right side
    522,364.41x = 116,230,372,448.63
  5. Step 5: Solve for x
    x = 116,230,372,448.63/522,364.41
  6. Step 6: Final answer
    x = 222,508.22

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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.