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Finding the Fourth Proportional to 573,412.78, 860,222.88 and 236,265.90

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Solution

The fourth proportional to 573,412.78, 860,222.88 and 236,265.90 is: 354,441.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    573,412.78 : 860,222.88 = 236,265.90 : x
  2. Step 2: Convert to fraction form
    573,412.78/860,222.88 = 236,265.90/x
  3. Step 3: Cross multiply
    573,412.78x = 860,222.88 × 236,265.90
  4. Step 4: Simplify right side
    573,412.78x = 203,241,332,943.79
  5. Step 5: Solve for x
    x = 203,241,332,943.79/573,412.78
  6. Step 6: Final answer
    x = 354,441.58

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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.