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Finding the Fourth Proportional to 573,908.80, 860,474.40 and 293,195.20

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Solution

The fourth proportional to 573,908.80, 860,474.40 and 293,195.20 is: 439,594.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    573,908.80 : 860,474.40 = 293,195.20 : x
  2. Step 2: Convert to fraction form
    573,908.80/860,474.40 = 293,195.20/x
  3. Step 3: Cross multiply
    573,908.80x = 860,474.40 × 293,195.20
  4. Step 4: Simplify right side
    573,908.80x = 252,286,963,802.88
  5. Step 5: Solve for x
    x = 252,286,963,802.88/573,908.80
  6. Step 6: Final answer
    x = 439,594.17

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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.