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Finding the Fourth Proportional to 406,893.90, 610,168.05 and 196,596.30

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Solution

The fourth proportional to 406,893.90, 610,168.05 and 196,596.30 is: 294,810.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    406,893.90 : 610,168.05 = 196,596.30 : x
  2. Step 2: Convert to fraction form
    406,893.90/610,168.05 = 196,596.30/x
  3. Step 3: Cross multiply
    406,893.90x = 610,168.05 × 196,596.30
  4. Step 4: Simplify right side
    406,893.90x = 119,956,781,008.22
  5. Step 5: Solve for x
    x = 119,956,781,008.22/406,893.90
  6. Step 6: Final answer
    x = 294,810.96

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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.