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Finding the Fourth Proportional to 285,932.74, 429,060.39 and 283,674.82

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Solution

The fourth proportional to 285,932.74, 429,060.39 and 283,674.82 is: 425,672.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    285,932.74 : 429,060.39 = 283,674.82 : x
  2. Step 2: Convert to fraction form
    285,932.74/429,060.39 = 283,674.82/x
  3. Step 3: Cross multiply
    285,932.74x = 429,060.39 × 283,674.82
  4. Step 4: Simplify right side
    285,932.74x = 121,713,628,902.38
  5. Step 5: Solve for x
    x = 121,713,628,902.38/285,932.74
  6. Step 6: Final answer
    x = 425,672.24

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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.