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Finding the Fourth Proportional to 406,927.90, 610,219.05 and 196,630.30

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Solution

The fourth proportional to 406,927.90, 610,219.05 and 196,630.30 is: 294,861.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    406,927.90 : 610,219.05 = 196,630.30 : x
  2. Step 2: Convert to fraction form
    406,927.90/610,219.05 = 196,630.30/x
  3. Step 3: Cross multiply
    406,927.90x = 610,219.05 × 196,630.30
  4. Step 4: Simplify right side
    406,927.90x = 119,987,554,867.22
  5. Step 5: Solve for x
    x = 119,987,554,867.22/406,927.90
  6. Step 6: Final answer
    x = 294,861.95

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1.5x scale

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.