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Finding the Fourth Proportional to 506,093.40, 758,921.40 and 253,276.20

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Solution

The fourth proportional to 506,093.40, 758,921.40 and 253,276.20 is: 379,804.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    506,093.40 : 758,921.40 = 253,276.20 : x
  2. Step 2: Convert to fraction form
    506,093.40/758,921.40 = 253,276.20/x
  3. Step 3: Cross multiply
    506,093.40x = 758,921.40 × 253,276.20
  4. Step 4: Simplify right side
    506,093.40x = 192,216,728,290.68
  5. Step 5: Solve for x
    x = 192,216,728,290.68/506,093.40
  6. Step 6: Final answer
    x = 379,804.85

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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.