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Finding the Fourth Proportional to 559,545.26, 772,173.41 and 304,896.42

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Solution

The fourth proportional to 559,545.26, 772,173.41 and 304,896.42 is: 420,757.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    559,545.26 : 772,173.41 = 304,896.42 : x
  2. Step 2: Convert to fraction form
    559,545.26/772,173.41 = 304,896.42/x
  3. Step 3: Cross multiply
    559,545.26x = 772,173.41 × 304,896.42
  4. Step 4: Simplify right side
    559,545.26x = 235,432,906,803.71
  5. Step 5: Solve for x
    x = 235,432,906,803.71/559,545.26
  6. Step 6: Final answer
    x = 420,757.58

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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.