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Finding the Fourth Proportional to 401,207.80, 601,422.90 and 164,234.20

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Solution

The fourth proportional to 401,207.80, 601,422.90 and 164,234.20 is: 246,192.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    401,207.80 : 601,422.90 = 164,234.20 : x
  2. Step 2: Convert to fraction form
    401,207.80/601,422.90 = 164,234.20/x
  3. Step 3: Cross multiply
    401,207.80x = 601,422.90 × 164,234.20
  4. Step 4: Simplify right side
    401,207.80x = 98,774,208,843.18
  5. Step 5: Solve for x
    x = 98,774,208,843.18/401,207.80
  6. Step 6: Final answer
    x = 246,192.14

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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.