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Finding the Fourth Proportional to 565,574.85, 780,446.88 and 332,964.86

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Solution

The fourth proportional to 565,574.85, 780,446.88 and 332,964.86 is: 459,464.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    565,574.85 : 780,446.88 = 332,964.86 : x
  2. Step 2: Convert to fraction form
    565,574.85/780,446.88 = 332,964.86/x
  3. Step 3: Cross multiply
    565,574.85x = 780,446.88 × 332,964.86
  4. Step 4: Simplify right side
    565,574.85x = 259,861,382,234.40
  5. Step 5: Solve for x
    x = 259,861,382,234.40/565,574.85
  6. Step 6: Final answer
    x = 459,464.18

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.