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Finding the Fourth Proportional to 401,234.70, 601,657.65 and 223,553.10

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Solution

The fourth proportional to 401,234.70, 601,657.65 and 223,553.10 is: 335,221.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    401,234.70 : 601,657.65 = 223,553.10 : x
  2. Step 2: Convert to fraction form
    401,234.70/601,657.65 = 223,553.10/x
  3. Step 3: Cross multiply
    401,234.70x = 601,657.65 × 223,553.10
  4. Step 4: Simplify right side
    401,234.70x = 134,502,432,796.22
  5. Step 5: Solve for x
    x = 134,502,432,796.22/401,234.70
  6. Step 6: Final answer
    x = 335,221.34

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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.