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Finding the Fourth Proportional to 519,034.52, 778,550.55 and 203,270.60

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Solution

The fourth proportional to 519,034.52, 778,550.55 and 203,270.60 is: 304,905.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    519,034.52 : 778,550.55 = 203,270.60 : x
  2. Step 2: Convert to fraction form
    519,034.52/778,550.55 = 203,270.60/x
  3. Step 3: Cross multiply
    519,034.52x = 778,550.55 × 203,270.60
  4. Step 4: Simplify right side
    519,034.52x = 158,256,433,536.08
  5. Step 5: Solve for x
    x = 158,256,433,536.08/519,034.52
  6. Step 6: Final answer
    x = 304,905.41

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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.