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Finding the Fourth Proportional to 573,311.20, 858,784.20 and 335,934.40

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Solution

The fourth proportional to 573,311.20, 858,784.20 and 335,934.40 is: 503,208.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    573,311.20 : 858,784.20 = 335,934.40 : x
  2. Step 2: Convert to fraction form
    573,311.20/858,784.20 = 335,934.40/x
  3. Step 3: Cross multiply
    573,311.20x = 858,784.20 × 335,934.40
  4. Step 4: Simplify right side
    573,311.20x = 288,495,154,956.48
  5. Step 5: Solve for x
    x = 288,495,154,956.48/573,311.20
  6. Step 6: Final answer
    x = 503,208.65

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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.