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Finding the Fourth Proportional to 573,376.20, 858,881.70 and 335,999.40

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Solution

The fourth proportional to 573,376.20, 858,881.70 and 335,999.40 is: 503,306.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    573,376.20 : 858,881.70 = 335,999.40 : x
  2. Step 2: Convert to fraction form
    573,376.20/858,881.70 = 335,999.40/x
  3. Step 3: Cross multiply
    573,376.20x = 858,881.70 × 335,999.40
  4. Step 4: Simplify right side
    573,376.20x = 288,583,735,870.98
  5. Step 5: Solve for x
    x = 288,583,735,870.98/573,376.20
  6. Step 6: Final answer
    x = 503,306.09

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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.