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Finding the Fourth Proportional to 291,632.20, 437,448.30 and 94,640.20

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Solution

The fourth proportional to 291,632.20, 437,448.30 and 94,640.20 is: 141,960.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    291,632.20 : 437,448.30 = 94,640.20 : x
  2. Step 2: Convert to fraction form
    291,632.20/437,448.30 = 94,640.20/x
  3. Step 3: Cross multiply
    291,632.20x = 437,448.30 × 94,640.20
  4. Step 4: Simplify right side
    291,632.20x = 41,400,194,601.66
  5. Step 5: Solve for x
    x = 41,400,194,601.66/291,632.20
  6. Step 6: Final answer
    x = 141,960.30

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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.