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Finding the Fourth Proportional to 501,966.72, 692,715.30 and 275,626.80

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Solution

The fourth proportional to 501,966.72, 692,715.30 and 275,626.80 is: 380,365.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    501,966.72 : 692,715.30 = 275,626.80 : x
  2. Step 2: Convert to fraction form
    501,966.72/692,715.30 = 275,626.80/x
  3. Step 3: Cross multiply
    501,966.72x = 692,715.30 × 275,626.80
  4. Step 4: Simplify right side
    501,966.72x = 190,930,901,450.04
  5. Step 5: Solve for x
    x = 190,930,901,450.04/501,966.72
  6. Step 6: Final answer
    x = 380,365.66

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.