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Finding the Fourth Proportional to 333,457.56, 500,035.06 and 143,828.32

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Solution

The fourth proportional to 333,457.56, 500,035.06 and 143,828.32 is: 215,677.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    333,457.56 : 500,035.06 = 143,828.32 : x
  2. Step 2: Convert to fraction form
    333,457.56/500,035.06 = 143,828.32/x
  3. Step 3: Cross multiply
    333,457.56x = 500,035.06 × 143,828.32
  4. Step 4: Simplify right side
    333,457.56x = 71,919,202,620.90
  5. Step 5: Solve for x
    x = 71,919,202,620.90/333,457.56
  6. Step 6: Final answer
    x = 215,677.23

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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.