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Finding the Fourth Proportional to 366,688.09, 550,189.01 and 153,505.81

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Solution

The fourth proportional to 366,688.09, 550,189.01 and 153,505.81 is: 230,324.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    366,688.09 : 550,189.01 = 153,505.81 : x
  2. Step 2: Convert to fraction form
    366,688.09/550,189.01 = 153,505.81/x
  3. Step 3: Cross multiply
    366,688.09x = 550,189.01 × 153,505.81
  4. Step 4: Simplify right side
    366,688.09x = 84,457,209,633.15
  5. Step 5: Solve for x
    x = 84,457,209,633.15/366,688.09
  6. Step 6: Final answer
    x = 230,324.39

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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.