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Finding the Fourth Proportional to 353,240.40, 529,860.60 and 335,269.20

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Solution

The fourth proportional to 353,240.40, 529,860.60 and 335,269.20 is: 502,903.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    353,240.40 : 529,860.60 = 335,269.20 : x
  2. Step 2: Convert to fraction form
    353,240.40/529,860.60 = 335,269.20/x
  3. Step 3: Cross multiply
    353,240.40x = 529,860.60 × 335,269.20
  4. Step 4: Simplify right side
    353,240.40x = 177,645,939,473.52
  5. Step 5: Solve for x
    x = 177,645,939,473.52/353,240.40
  6. Step 6: Final answer
    x = 502,903.80

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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.