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Finding the Fourth Proportional to 609,636.24, 915,044.76 and 294,314.58

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Solution

The fourth proportional to 609,636.24, 915,044.76 and 294,314.58 is: 441,756.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    609,636.24 : 915,044.76 = 294,314.58 : x
  2. Step 2: Convert to fraction form
    609,636.24/915,044.76 = 294,314.58/x
  3. Step 3: Cross multiply
    609,636.24x = 915,044.76 × 294,314.58
  4. Step 4: Simplify right side
    609,636.24x = 269,311,014,220.60
  5. Step 5: Solve for x
    x = 269,311,014,220.60/609,636.24
  6. Step 6: Final answer
    x = 441,756.90

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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.