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Finding the Fourth Proportional to 562,260.69, 775,917.43 and 304,137.79

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Solution

The fourth proportional to 562,260.69, 775,917.43 and 304,137.79 is: 419,708.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    562,260.69 : 775,917.43 = 304,137.79 : x
  2. Step 2: Convert to fraction form
    562,260.69/775,917.43 = 304,137.79/x
  3. Step 3: Cross multiply
    562,260.69x = 775,917.43 × 304,137.79
  4. Step 4: Simplify right side
    562,260.69x = 235,985,809,682.54
  5. Step 5: Solve for x
    x = 235,985,809,682.54/562,260.69
  6. Step 6: Final answer
    x = 419,708.89

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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 (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.