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Finding the Fourth Proportional to 355,208.44, 532,353.38 and 265,760.14

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Solution

The fourth proportional to 355,208.44, 532,353.38 and 265,760.14 is: 398,296.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    355,208.44 : 532,353.38 = 265,760.14 : x
  2. Step 2: Convert to fraction form
    355,208.44/532,353.38 = 265,760.14/x
  3. Step 3: Cross multiply
    355,208.44x = 532,353.38 × 265,760.14
  4. Step 4: Simplify right side
    355,208.44x = 141,478,308,798.27
  5. Step 5: Solve for x
    x = 141,478,308,798.27/355,208.44
  6. Step 6: Final answer
    x = 398,296.59

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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.