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Finding the Fourth Proportional to 311,444.44, 466,802.24 and 142,981.05

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Solution

The fourth proportional to 311,444.44, 466,802.24 and 142,981.05 is: 214,304.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    311,444.44 : 466,802.24 = 142,981.05 : x
  2. Step 2: Convert to fraction form
    311,444.44/466,802.24 = 142,981.05/x
  3. Step 3: Cross multiply
    311,444.44x = 466,802.24 × 142,981.05
  4. Step 4: Simplify right side
    311,444.44x = 66,743,873,631.66
  5. Step 5: Solve for x
    x = 66,743,873,631.66/311,444.44
  6. Step 6: Final answer
    x = 214,304.27

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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.