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Finding the Fourth Proportional to 606,336.32, 909,228 and 392,755.52

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Solution

The fourth proportional to 606,336.32, 909,228 and 392,755.52 is: 588,954.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    606,336.32 : 909,228 = 392,755.52 : x
  2. Step 2: Convert to fraction form
    606,336.32/909,228 = 392,755.52/x
  3. Step 3: Cross multiply
    606,336.32x = 909,228 × 392,755.52
  4. Step 4: Simplify right side
    606,336.32x = 357,104,315,938.56
  5. Step 5: Solve for x
    x = 357,104,315,938.56/606,336.32
  6. Step 6: Final answer
    x = 588,954.19

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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.