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Finding the Fourth Proportional to 675,921.51, 932,770.31 and 369,997.97

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Solution

The fourth proportional to 675,921.51, 932,770.31 and 369,997.97 is: 510,596.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    675,921.51 : 932,770.31 = 369,997.97 : x
  2. Step 2: Convert to fraction form
    675,921.51/932,770.31 = 369,997.97/x
  3. Step 3: Cross multiply
    675,921.51x = 932,770.31 × 369,997.97
  4. Step 4: Simplify right side
    675,921.51x = 345,123,121,176.27
  5. Step 5: Solve for x
    x = 345,123,121,176.27/675,921.51
  6. Step 6: Final answer
    x = 510,596.45

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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.