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Finding the Fourth Proportional to 535,589.46, 739,113.12 and 293,873.58

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Solution

The fourth proportional to 535,589.46, 739,113.12 and 293,873.58 is: 405,545.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    535,589.46 : 739,113.12 = 293,873.58 : x
  2. Step 2: Convert to fraction form
    535,589.46/739,113.12 = 293,873.58/x
  3. Step 3: Cross multiply
    535,589.46x = 739,113.12 × 293,873.58
  4. Step 4: Simplify right side
    535,589.46x = 217,205,818,599.37
  5. Step 5: Solve for x
    x = 217,205,818,599.37/535,589.46
  6. Step 6: Final answer
    x = 405,545.36

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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.