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Finding the Fourth Proportional to 573,305.70, 858,775.95 and 335,928.90

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Solution

The fourth proportional to 573,305.70, 858,775.95 and 335,928.90 is: 503,200.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    573,305.70 : 858,775.95 = 335,928.90 : x
  2. Step 2: Convert to fraction form
    573,305.70/858,775.95 = 335,928.90/x
  3. Step 3: Cross multiply
    573,305.70x = 858,775.95 × 335,928.90
  4. Step 4: Simplify right side
    573,305.70x = 288,487,660,229.96
  5. Step 5: Solve for x
    x = 288,487,660,229.96/573,305.70
  6. Step 6: Final answer
    x = 503,200.40

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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.