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Finding the Fourth Proportional to 573,025.86, 859,243.50 and 257,212.08

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Solution

The fourth proportional to 573,025.86, 859,243.50 and 257,212.08 is: 385,685.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    573,025.86 : 859,243.50 = 257,212.08 : x
  2. Step 2: Convert to fraction form
    573,025.86/859,243.50 = 257,212.08/x
  3. Step 3: Cross multiply
    573,025.86x = 859,243.50 × 257,212.08
  4. Step 4: Simplify right side
    573,025.86x = 221,007,807,861.48
  5. Step 5: Solve for x
    x = 221,007,807,861.48/573,025.86
  6. Step 6: Final answer
    x = 385,685.57

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.