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Finding the Fourth Proportional to 535,434.92, 738,901.31 and 293,719.44

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Solution

The fourth proportional to 535,434.92, 738,901.31 and 293,719.44 is: 405,333.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    535,434.92 : 738,901.31 = 293,719.44 : x
  2. Step 2: Convert to fraction form
    535,434.92/738,901.31 = 293,719.44/x
  3. Step 3: Cross multiply
    535,434.92x = 738,901.31 × 293,719.44
  4. Step 4: Simplify right side
    535,434.92x = 217,029,677,519.87
  5. Step 5: Solve for x
    x = 217,029,677,519.87/535,434.92
  6. Step 6: Final answer
    x = 405,333.44

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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.