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Finding the Fourth Proportional to 353,227.40, 529,841.10 and 335,256.20

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Solution

The fourth proportional to 353,227.40, 529,841.10 and 335,256.20 is: 502,884.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    353,227.40 : 529,841.10 = 335,256.20 : x
  2. Step 2: Convert to fraction form
    353,227.40/529,841.10 = 335,256.20/x
  3. Step 3: Cross multiply
    353,227.40x = 529,841.10 × 335,256.20
  4. Step 4: Simplify right side
    353,227.40x = 177,632,513,789.82
  5. Step 5: Solve for x
    x = 177,632,513,789.82/353,227.40
  6. Step 6: Final answer
    x = 502,884.30

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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.