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Finding the Fourth Proportional to 504,085.96, 756,128.94 and 149,072.33

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Solution

The fourth proportional to 504,085.96, 756,128.94 and 149,072.33 is: 223,608.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    504,085.96 : 756,128.94 = 149,072.33 : x
  2. Step 2: Convert to fraction form
    504,085.96/756,128.94 = 149,072.33/x
  3. Step 3: Cross multiply
    504,085.96x = 756,128.94 × 149,072.33
  4. Step 4: Simplify right side
    504,085.96x = 112,717,902,866.23
  5. Step 5: Solve for x
    x = 112,717,902,866.23/504,085.96
  6. Step 6: Final answer
    x = 223,608.50

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Half scale
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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.