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Finding the Fourth Proportional to 334,643.85, 461,809.11 and 181,682.25

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Solution

The fourth proportional to 334,643.85, 461,809.11 and 181,682.25 is: 250,721.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    334,643.85 : 461,809.11 = 181,682.25 : x
  2. Step 2: Convert to fraction form
    334,643.85/461,809.11 = 181,682.25/x
  3. Step 3: Cross multiply
    334,643.85x = 461,809.11 × 181,682.25
  4. Step 4: Simplify right side
    334,643.85x = 83,902,518,175.30
  5. Step 5: Solve for x
    x = 83,902,518,175.30/334,643.85
  6. Step 6: Final answer
    x = 250,721.83

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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.