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Finding the Fourth Proportional to 595,255.20, 890,809.20 and 408,631.20

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Solution

The fourth proportional to 595,255.20, 890,809.20 and 408,631.20 is: 611,523.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    595,255.20 : 890,809.20 = 408,631.20 : x
  2. Step 2: Convert to fraction form
    595,255.20/890,809.20 = 408,631.20/x
  3. Step 3: Cross multiply
    595,255.20x = 890,809.20 × 408,631.20
  4. Step 4: Simplify right side
    595,255.20x = 364,012,432,367.04
  5. Step 5: Solve for x
    x = 364,012,432,367.04/595,255.20
  6. Step 6: Final answer
    x = 611,523.31

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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.