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Finding the Fourth Proportional to 609,164.04, 913,807.26 and 209,751.96

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Solution

The fourth proportional to 609,164.04, 913,807.26 and 209,751.96 is: 314,649.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    609,164.04 : 913,807.26 = 209,751.96 : x
  2. Step 2: Convert to fraction form
    609,164.04/913,807.26 = 209,751.96/x
  3. Step 3: Cross multiply
    609,164.04x = 913,807.26 × 209,751.96
  4. Step 4: Simplify right side
    609,164.04x = 191,672,863,847.23
  5. Step 5: Solve for x
    x = 191,672,863,847.23/609,164.04
  6. Step 6: Final answer
    x = 314,649.01

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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.