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Finding the Fourth Proportional to 535,553.32, 739,111.42 and 293,882.98

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Solution

The fourth proportional to 535,553.32, 739,111.42 and 293,882.98 is: 405,584.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    535,553.32 : 739,111.42 = 293,882.98 : x
  2. Step 2: Convert to fraction form
    535,553.32/739,111.42 = 293,882.98/x
  3. Step 3: Cross multiply
    535,553.32x = 739,111.42 × 293,882.98
  4. Step 4: Simplify right side
    535,553.32x = 217,212,266,661.63
  5. Step 5: Solve for x
    x = 217,212,266,661.63/535,553.32
  6. Step 6: Final answer
    x = 405,584.76

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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.