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Finding the Fourth Proportional to 404,347.05, 606,520.58 and 325,615.05

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Solution

The fourth proportional to 404,347.05, 606,520.58 and 325,615.05 is: 488,422.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    404,347.05 : 606,520.58 = 325,615.05 : x
  2. Step 2: Convert to fraction form
    404,347.05/606,520.58 = 325,615.05/x
  3. Step 3: Cross multiply
    404,347.05x = 606,520.58 × 325,615.05
  4. Step 4: Simplify right side
    404,347.05x = 197,492,227,354.65
  5. Step 5: Solve for x
    x = 197,492,227,354.65/404,347.05
  6. Step 6: Final answer
    x = 488,422.58

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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.