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Finding the Fourth Proportional to 578,369.73, 798,154.25 and 336,793.17

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Solution

The fourth proportional to 578,369.73, 798,154.25 and 336,793.17 is: 464,776.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    578,369.73 : 798,154.25 = 336,793.17 : x
  2. Step 2: Convert to fraction form
    578,369.73/798,154.25 = 336,793.17/x
  3. Step 3: Cross multiply
    578,369.73x = 798,154.25 × 336,793.17
  4. Step 4: Simplify right side
    578,369.73x = 268,812,898,322.51
  5. Step 5: Solve for x
    x = 268,812,898,322.51/578,369.73
  6. Step 6: Final answer
    x = 464,776.91

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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.