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Finding the Fourth Proportional to 573,283.12, 860,028.09 and 236,139.72

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Solution

The fourth proportional to 573,283.12, 860,028.09 and 236,139.72 is: 354,252.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    573,283.12 : 860,028.09 = 236,139.72 : x
  2. Step 2: Convert to fraction form
    573,283.12/860,028.09 = 236,139.72/x
  3. Step 3: Cross multiply
    573,283.12x = 860,028.09 × 236,139.72
  4. Step 4: Simplify right side
    573,283.12x = 203,086,792,364.74
  5. Step 5: Solve for x
    x = 203,086,792,364.74/573,283.12
  6. Step 6: Final answer
    x = 354,252.18

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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.