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Finding the Fourth Proportional to 510,295.37, 765,615.25 and 225,947.10

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Solution

The fourth proportional to 510,295.37, 765,615.25 and 225,947.10 is: 338,996.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    510,295.37 : 765,615.25 = 225,947.10 : x
  2. Step 2: Convert to fraction form
    510,295.37/765,615.25 = 225,947.10/x
  3. Step 3: Cross multiply
    510,295.37x = 765,615.25 × 225,947.10
  4. Step 4: Simplify right side
    510,295.37x = 172,988,541,060.33
  5. Step 5: Solve for x
    x = 172,988,541,060.33/510,295.37
  6. Step 6: Final answer
    x = 338,996.89

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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.