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Finding the Fourth Proportional to 401,618.39, 601,607.46 and 224,219.89

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Solution

The fourth proportional to 401,618.39, 601,607.46 and 224,219.89 is: 335,871.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    401,618.39 : 601,607.46 = 224,219.89 : x
  2. Step 2: Convert to fraction form
    401,618.39/601,607.46 = 224,219.89/x
  3. Step 3: Cross multiply
    401,618.39x = 601,607.46 × 224,219.89
  4. Step 4: Simplify right side
    401,618.39x = 134,892,357,000.36
  5. Step 5: Solve for x
    x = 134,892,357,000.36/401,618.39
  6. Step 6: Final answer
    x = 335,871.96

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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.