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Finding the Fourth Proportional to 589,373.48, 813,342.73 and 356,797.34

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Solution

The fourth proportional to 589,373.48, 813,342.73 and 356,797.34 is: 492,384.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    589,373.48 : 813,342.73 = 356,797.34 : x
  2. Step 2: Convert to fraction form
    589,373.48/813,342.73 = 356,797.34/x
  3. Step 3: Cross multiply
    589,373.48x = 813,342.73 × 356,797.34
  4. Step 4: Simplify right side
    589,373.48x = 290,198,518,505.63
  5. Step 5: Solve for x
    x = 290,198,518,505.63/589,373.48
  6. Step 6: Final answer
    x = 492,384.76

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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.