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Finding the Fourth Proportional to 573,039.74, 858,378.49 and 335,662.76

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Solution

The fourth proportional to 573,039.74, 858,378.49 and 335,662.76 is: 502,802.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    573,039.74 : 858,378.49 = 335,662.76 : x
  2. Step 2: Convert to fraction form
    573,039.74/858,378.49 = 335,662.76/x
  3. Step 3: Cross multiply
    573,039.74x = 858,378.49 × 335,662.76
  4. Step 4: Simplify right side
    573,039.74x = 288,125,693,078.03
  5. Step 5: Solve for x
    x = 288,125,693,078.03/573,039.74
  6. Step 6: Final answer
    x = 502,802.29

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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.