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Finding the Fourth Proportional to 504,724.55, 757,441.91 and 456,485.87

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Solution

The fourth proportional to 504,724.55, 757,441.91 and 456,485.87 is: 685,049.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    504,724.55 : 757,441.91 = 456,485.87 : x
  2. Step 2: Convert to fraction form
    504,724.55/757,441.91 = 456,485.87/x
  3. Step 3: Cross multiply
    504,724.55x = 757,441.91 × 456,485.87
  4. Step 4: Simplify right side
    504,724.55x = 345,761,523,191.17
  5. Step 5: Solve for x
    x = 345,761,523,191.17/504,724.55
  6. Step 6: Final answer
    x = 685,049.95

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Similar ratio
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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.