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Finding the Fourth Proportional to 589,891.41, 814,119.39 and 335,280.87

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Solution

The fourth proportional to 589,891.41, 814,119.39 and 335,280.87 is: 462,726.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    589,891.41 : 814,119.39 = 335,280.87 : x
  2. Step 2: Convert to fraction form
    589,891.41/814,119.39 = 335,280.87/x
  3. Step 3: Cross multiply
    589,891.41x = 814,119.39 × 335,280.87
  4. Step 4: Simplify right side
    589,891.41x = 272,958,657,363.07
  5. Step 5: Solve for x
    x = 272,958,657,363.07/589,891.41
  6. Step 6: Final answer
    x = 462,726.96

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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.