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Finding the Fourth Proportional to 504,085.46, 756,128.19 and 149,071.83

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Solution

The fourth proportional to 504,085.46, 756,128.19 and 149,071.83 is: 223,607.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    504,085.46 : 756,128.19 = 149,071.83 : x
  2. Step 2: Convert to fraction form
    504,085.46/756,128.19 = 149,071.83/x
  3. Step 3: Cross multiply
    504,085.46x = 756,128.19 × 149,071.83
  4. Step 4: Simplify right side
    504,085.46x = 112,717,412,997.89
  5. Step 5: Solve for x
    x = 112,717,412,997.89/504,085.46
  6. Step 6: Final answer
    x = 223,607.75

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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.