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Finding the Fourth Proportional to 403,783.34, 604,898.80 and 225,750.44

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Solution

The fourth proportional to 403,783.34, 604,898.80 and 225,750.44 is: 338,191.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    403,783.34 : 604,898.80 = 225,750.44 : x
  2. Step 2: Convert to fraction form
    403,783.34/604,898.80 = 225,750.44/x
  3. Step 3: Cross multiply
    403,783.34x = 604,898.80 × 225,750.44
  4. Step 4: Simplify right side
    403,783.34x = 136,556,170,255.47
  5. Step 5: Solve for x
    x = 136,556,170,255.47/403,783.34
  6. Step 6: Final answer
    x = 338,191.69

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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.