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Finding the Fourth Proportional to 600,094.84, 900,231.74 and 220,986.40

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Solution

The fourth proportional to 600,094.84, 900,231.74 and 220,986.40 is: 331,512.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    600,094.84 : 900,231.74 = 220,986.40 : x
  2. Step 2: Convert to fraction form
    600,094.84/900,231.74 = 220,986.40/x
  3. Step 3: Cross multiply
    600,094.84x = 900,231.74 × 220,986.40
  4. Step 4: Simplify right side
    600,094.84x = 198,938,971,388.34
  5. Step 5: Solve for x
    x = 198,938,971,388.34/600,094.84
  6. Step 6: Final answer
    x = 331,512.55

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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.