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Finding the Fourth Proportional to 623,069.18, 934,694 and 196,460.22

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Solution

The fourth proportional to 623,069.18, 934,694 and 196,460.22 is: 294,718.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    623,069.18 : 934,694 = 196,460.22 : x
  2. Step 2: Convert to fraction form
    623,069.18/934,694 = 196,460.22/x
  3. Step 3: Cross multiply
    623,069.18x = 934,694 × 196,460.22
  4. Step 4: Simplify right side
    623,069.18x = 183,630,188,872.68
  5. Step 5: Solve for x
    x = 183,630,188,872.68/623,069.18
  6. Step 6: Final answer
    x = 294,718.78

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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.