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Finding the Fourth Proportional to 603,873.80, 833,347.57 and 345,754.70

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Solution

The fourth proportional to 603,873.80, 833,347.57 and 345,754.70 is: 477,142.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    603,873.80 : 833,347.57 = 345,754.70 : x
  2. Step 2: Convert to fraction form
    603,873.80/833,347.57 = 345,754.70/x
  3. Step 3: Cross multiply
    603,873.80x = 833,347.57 × 345,754.70
  4. Step 4: Simplify right side
    603,873.80x = 288,133,839,061.08
  5. Step 5: Solve for x
    x = 288,133,839,061.08/603,873.80
  6. Step 6: Final answer
    x = 477,142.47

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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.