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Finding the Fourth Proportional to 608,116.02, 912,196.11 and 208,754.43

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Solution

The fourth proportional to 608,116.02, 912,196.11 and 208,754.43 is: 313,139.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    608,116.02 : 912,196.11 = 208,754.43 : x
  2. Step 2: Convert to fraction form
    608,116.02/912,196.11 = 208,754.43/x
  3. Step 3: Cross multiply
    608,116.02x = 912,196.11 × 208,754.43
  4. Step 4: Simplify right side
    608,116.02x = 190,424,978,991.27
  5. Step 5: Solve for x
    x = 190,424,978,991.27/608,116.02
  6. Step 6: Final answer
    x = 313,139.22

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Similar ratio
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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.