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Finding the Fourth Proportional to 573,835.56, 859,755.83 and 402,694.31

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Solution

The fourth proportional to 573,835.56, 859,755.83 and 402,694.31 is: 603,341.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    573,835.56 : 859,755.83 = 402,694.31 : x
  2. Step 2: Convert to fraction form
    573,835.56/859,755.83 = 402,694.31/x
  3. Step 3: Cross multiply
    573,835.56x = 859,755.83 × 402,694.31
  4. Step 4: Simplify right side
    573,835.56x = 346,218,774,418.08
  5. Step 5: Solve for x
    x = 346,218,774,418.08/573,835.56
  6. Step 6: Final answer
    x = 603,341.44

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.