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Finding the Fourth Proportional to 253,503.60, 350,511.48 and 222,010.80

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Solution

The fourth proportional to 253,503.60, 350,511.48 and 222,010.80 is: 306,967.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    253,503.60 : 350,511.48 = 222,010.80 : x
  2. Step 2: Convert to fraction form
    253,503.60/350,511.48 = 222,010.80/x
  3. Step 3: Cross multiply
    253,503.60x = 350,511.48 × 222,010.80
  4. Step 4: Simplify right side
    253,503.60x = 77,817,334,083.98
  5. Step 5: Solve for x
    x = 77,817,334,083.98/253,503.60
  6. Step 6: Final answer
    x = 306,967.37

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1.5x scale

Why These Related Problems?

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