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Finding the Fourth Proportional to 573,313.20, 858,787.20 and 335,936.40

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Solution

The fourth proportional to 573,313.20, 858,787.20 and 335,936.40 is: 503,211.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    573,313.20 : 858,787.20 = 335,936.40 : x
  2. Step 2: Convert to fraction form
    573,313.20/858,787.20 = 335,936.40/x
  3. Step 3: Cross multiply
    573,313.20x = 858,787.20 × 335,936.40
  4. Step 4: Simplify right side
    573,313.20x = 288,497,880,334.08
  5. Step 5: Solve for x
    x = 288,497,880,334.08/573,313.20
  6. Step 6: Final answer
    x = 503,211.65

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1.5x scale

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.