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Finding the Fourth Proportional to 573,450.51, 860,156.10 and 146,990.52

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Solution

The fourth proportional to 573,450.51, 860,156.10 and 146,990.52 is: 220,480.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    573,450.51 : 860,156.10 = 146,990.52 : x
  2. Step 2: Convert to fraction form
    573,450.51/860,156.10 = 146,990.52/x
  3. Step 3: Cross multiply
    573,450.51x = 860,156.10 × 146,990.52
  4. Step 4: Simplify right side
    573,450.51x = 126,434,792,420.17
  5. Step 5: Solve for x
    x = 126,434,792,420.17/573,450.51
  6. Step 6: Final answer
    x = 220,480.74

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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.