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Finding the Fourth Proportional to 412,960.32, 570,085.48 and 276,944.72

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Solution

The fourth proportional to 412,960.32, 570,085.48 and 276,944.72 is: 382,318.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    412,960.32 : 570,085.48 = 276,944.72 : x
  2. Step 2: Convert to fraction form
    412,960.32/570,085.48 = 276,944.72/x
  3. Step 3: Cross multiply
    412,960.32x = 570,085.48 × 276,944.72
  4. Step 4: Simplify right side
    412,960.32x = 157,882,163,634.67
  5. Step 5: Solve for x
    x = 157,882,163,634.67/412,960.32
  6. Step 6: Final answer
    x = 382,318.00

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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.