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Finding the Fourth Proportional to 534,457.81, 801,764.97 and 155,329.29

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Solution

The fourth proportional to 534,457.81, 801,764.97 and 155,329.29 is: 233,016.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    534,457.81 : 801,764.97 = 155,329.29 : x
  2. Step 2: Convert to fraction form
    534,457.81/801,764.97 = 155,329.29/x
  3. Step 3: Cross multiply
    534,457.81x = 801,764.97 × 155,329.29
  4. Step 4: Simplify right side
    534,457.81x = 124,537,583,536.97
  5. Step 5: Solve for x
    x = 124,537,583,536.97/534,457.81
  6. Step 6: Final answer
    x = 233,016.68

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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.