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Finding the Fourth Proportional to 573,730.08, 791,736.24 and 319,075.80

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Solution

The fourth proportional to 573,730.08, 791,736.24 and 319,075.80 is: 440,318.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    573,730.08 : 791,736.24 = 319,075.80 : x
  2. Step 2: Convert to fraction form
    573,730.08/791,736.24 = 319,075.80/x
  3. Step 3: Cross multiply
    573,730.08x = 791,736.24 × 319,075.80
  4. Step 4: Simplify right side
    573,730.08x = 252,623,874,166.99
  5. Step 5: Solve for x
    x = 252,623,874,166.99/573,730.08
  6. Step 6: Final answer
    x = 440,318.34

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.