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Finding the Fourth Proportional to 506,716.80, 760,190.40 and 296,246.40

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Solution

The fourth proportional to 506,716.80, 760,190.40 and 296,246.40 is: 444,436.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    506,716.80 : 760,190.40 = 296,246.40 : x
  2. Step 2: Convert to fraction form
    506,716.80/760,190.40 = 296,246.40/x
  3. Step 3: Cross multiply
    506,716.80x = 760,190.40 × 296,246.40
  4. Step 4: Simplify right side
    506,716.80x = 225,203,669,314.56
  5. Step 5: Solve for x
    x = 225,203,669,314.56/506,716.80
  6. Step 6: Final answer
    x = 444,436.95

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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.