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Finding the Fourth Proportional to 353,196.40, 529,794.60 and 335,225.20

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Solution

The fourth proportional to 353,196.40, 529,794.60 and 335,225.20 is: 502,837.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    353,196.40 : 529,794.60 = 335,225.20 : x
  2. Step 2: Convert to fraction form
    353,196.40/529,794.60 = 335,225.20/x
  3. Step 3: Cross multiply
    353,196.40x = 529,794.60 × 335,225.20
  4. Step 4: Simplify right side
    353,196.40x = 177,600,500,743.92
  5. Step 5: Solve for x
    x = 177,600,500,743.92/353,196.40
  6. Step 6: Final answer
    x = 502,837.80

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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.