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Finding the Fourth Proportional to 535,595.46, 739,121.40 and 293,879.58

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Solution

The fourth proportional to 535,595.46, 739,121.40 and 293,879.58 is: 405,553.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    535,595.46 : 739,121.40 = 293,879.58 : x
  2. Step 2: Convert to fraction form
    535,595.46/739,121.40 = 293,879.58/x
  3. Step 3: Cross multiply
    535,595.46x = 739,121.40 × 293,879.58
  4. Step 4: Simplify right side
    535,595.46x = 217,212,686,601.01
  5. Step 5: Solve for x
    x = 217,212,686,601.01/535,595.46
  6. Step 6: Final answer
    x = 405,553.64

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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.