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Finding the Fourth Proportional to 423,519.96, 584,388.59 and 242,202.72

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Solution

The fourth proportional to 423,519.96, 584,388.59 and 242,202.72 is: 334,200.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    423,519.96 : 584,388.59 = 242,202.72 : x
  2. Step 2: Convert to fraction form
    423,519.96/584,388.59 = 242,202.72/x
  3. Step 3: Cross multiply
    423,519.96x = 584,388.59 × 242,202.72
  4. Step 4: Simplify right side
    423,519.96x = 141,540,504,823.95
  5. Step 5: Solve for x
    x = 141,540,504,823.95/423,519.96
  6. Step 6: Final answer
    x = 334,200.32

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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.