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Finding the Fourth Proportional to 573,364.20, 858,863.70 and 335,987.40

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Solution

The fourth proportional to 573,364.20, 858,863.70 and 335,987.40 is: 503,288.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    573,364.20 : 858,863.70 = 335,987.40 : x
  2. Step 2: Convert to fraction form
    573,364.20/858,863.70 = 335,987.40/x
  3. Step 3: Cross multiply
    573,364.20x = 858,863.70 × 335,987.40
  4. Step 4: Simplify right side
    573,364.20x = 288,567,381,517.38
  5. Step 5: Solve for x
    x = 288,567,381,517.38/573,364.20
  6. Step 6: Final answer
    x = 503,288.10

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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.