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Finding the Fourth Proportional to 401,459.80, 601,898.10 and 164,680.60

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Solution

The fourth proportional to 401,459.80, 601,898.10 and 164,680.60 is: 246,901.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    401,459.80 : 601,898.10 = 164,680.60 : x
  2. Step 2: Convert to fraction form
    401,459.80/601,898.10 = 164,680.60/x
  3. Step 3: Cross multiply
    401,459.80x = 601,898.10 × 164,680.60
  4. Step 4: Simplify right side
    401,459.80x = 99,120,940,246.86
  5. Step 5: Solve for x
    x = 99,120,940,246.86/401,459.80
  6. Step 6: Final answer
    x = 246,901.28

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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.