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Finding the Fourth Proportional to 578,601.84, 798,471.48 and 323,957.28

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Solution

The fourth proportional to 578,601.84, 798,471.48 and 323,957.28 is: 447,061.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    578,601.84 : 798,471.48 = 323,957.28 : x
  2. Step 2: Convert to fraction form
    578,601.84/798,471.48 = 323,957.28/x
  3. Step 3: Cross multiply
    578,601.84x = 798,471.48 × 323,957.28
  4. Step 4: Simplify right side
    578,601.84x = 258,670,648,818.37
  5. Step 5: Solve for x
    x = 258,670,648,818.37/578,601.84
  6. Step 6: Final answer
    x = 447,061.57

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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.