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Finding the Fourth Proportional to 573,367.95, 791,199.09 and 315,230.94

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Solution

The fourth proportional to 573,367.95, 791,199.09 and 315,230.94 is: 434,991.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    573,367.95 : 791,199.09 = 315,230.94 : x
  2. Step 2: Convert to fraction form
    573,367.95/791,199.09 = 315,230.94/x
  3. Step 3: Cross multiply
    573,367.95x = 791,199.09 × 315,230.94
  4. Step 4: Simplify right side
    573,367.95x = 249,410,432,867.85
  5. Step 5: Solve for x
    x = 249,410,432,867.85/573,367.95
  6. Step 6: Final answer
    x = 434,991.93

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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.