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Finding the Fourth Proportional to 573,957.90, 860,937.66 and 274,368.06

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Solution

The fourth proportional to 573,957.90, 860,937.66 and 274,368.06 is: 411,552.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    573,957.90 : 860,937.66 = 274,368.06 : x
  2. Step 2: Convert to fraction form
    573,957.90/860,937.66 = 274,368.06/x
  3. Step 3: Cross multiply
    573,957.90x = 860,937.66 × 274,368.06
  4. Step 4: Simplify right side
    573,957.90x = 236,213,795,555.14
  5. Step 5: Solve for x
    x = 236,213,795,555.14/573,957.90
  6. Step 6: Final answer
    x = 411,552.48

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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.