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Finding the Fourth Proportional to 504,484.83, 756,705.38 and 125,397.54

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Solution

The fourth proportional to 504,484.83, 756,705.38 and 125,397.54 is: 188,090.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    504,484.83 : 756,705.38 = 125,397.54 : x
  2. Step 2: Convert to fraction form
    504,484.83/756,705.38 = 125,397.54/x
  3. Step 3: Cross multiply
    504,484.83x = 756,705.38 × 125,397.54
  4. Step 4: Simplify right side
    504,484.83x = 94,888,992,529.78
  5. Step 5: Solve for x
    x = 94,888,992,529.78/504,484.83
  6. Step 6: Final answer
    x = 188,090.87

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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.