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Finding the Fourth Proportional to 245,274, 369,549.96 and 221,609.04

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Solution

The fourth proportional to 245,274, 369,549.96 and 221,609.04 is: 333,894.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,274 : 369,549.96 = 221,609.04 : x
  2. Step 2: Convert to fraction form
    245,274/369,549.96 = 221,609.04/x
  3. Step 3: Cross multiply
    245,274x = 369,549.96 × 221,609.04
  4. Step 4: Simplify right side
    245,274x = 81,895,611,867.64
  5. Step 5: Solve for x
    x = 81,895,611,867.64/245,274
  6. Step 6: Final answer
    x = 333,894.39

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.