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Finding the Fourth Proportional to 335,530.37, 503,295.55 and 122,314.27

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Solution

The fourth proportional to 335,530.37, 503,295.55 and 122,314.27 is: 183,471.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    335,530.37 : 503,295.55 = 122,314.27 : x
  2. Step 2: Convert to fraction form
    335,530.37/503,295.55 = 122,314.27/x
  3. Step 3: Cross multiply
    335,530.37x = 503,295.55 × 122,314.27
  4. Step 4: Simplify right side
    335,530.37x = 61,560,227,792.50
  5. Step 5: Solve for x
    x = 61,560,227,792.50/335,530.37
  6. Step 6: Final answer
    x = 183,471.40

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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.