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Finding the Fourth Proportional to 446,208.17, 615,763.87 and 242,255.07

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Solution

The fourth proportional to 446,208.17, 615,763.87 and 242,255.07 is: 334,310.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    446,208.17 : 615,763.87 = 242,255.07 : x
  2. Step 2: Convert to fraction form
    446,208.17/615,763.87 = 242,255.07/x
  3. Step 3: Cross multiply
    446,208.17x = 615,763.87 × 242,255.07
  4. Step 4: Simplify right side
    446,208.17x = 149,171,918,824.68
  5. Step 5: Solve for x
    x = 149,171,918,824.68/446,208.17
  6. Step 6: Final answer
    x = 334,310.15

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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.