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Finding the Fourth Proportional to 347,963.22, 480,079.44 and 194,980.14

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Solution

The fourth proportional to 347,963.22, 480,079.44 and 194,980.14 is: 269,011.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    347,963.22 : 480,079.44 = 194,980.14 : x
  2. Step 2: Convert to fraction form
    347,963.22/480,079.44 = 194,980.14/x
  3. Step 3: Cross multiply
    347,963.22x = 480,079.44 × 194,980.14
  4. Step 4: Simplify right side
    347,963.22x = 93,605,956,422.32
  5. Step 5: Solve for x
    x = 93,605,956,422.32/347,963.22
  6. Step 6: Final answer
    x = 269,011.07

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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.