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Finding the Fourth Proportional to 469,794.60, 648,313.24 and 254,929.20

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Solution

The fourth proportional to 469,794.60, 648,313.24 and 254,929.20 is: 351,800.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    469,794.60 : 648,313.24 = 254,929.20 : x
  2. Step 2: Convert to fraction form
    469,794.60/648,313.24 = 254,929.20/x
  3. Step 3: Cross multiply
    469,794.60x = 648,313.24 × 254,929.20
  4. Step 4: Simplify right side
    469,794.60x = 165,273,975,622.61
  5. Step 5: Solve for x
    x = 165,273,975,622.61/469,794.60
  6. Step 6: Final answer
    x = 351,800.50

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.