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Finding the Fourth Proportional to 366,971.80, 550,457.70 and 100,773.40

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Solution

The fourth proportional to 366,971.80, 550,457.70 and 100,773.40 is: 151,160.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    366,971.80 : 550,457.70 = 100,773.40 : x
  2. Step 2: Convert to fraction form
    366,971.80/550,457.70 = 100,773.40/x
  3. Step 3: Cross multiply
    366,971.80x = 550,457.70 × 100,773.40
  4. Step 4: Simplify right side
    366,971.80x = 55,471,493,985.18
  5. Step 5: Solve for x
    x = 55,471,493,985.18/366,971.80
  6. Step 6: Final answer
    x = 151,160.10

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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.