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Finding the Fourth Proportional to 548,047.86, 822,817.26 and 308,330.46

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Solution

The fourth proportional to 548,047.86, 822,817.26 and 308,330.46 is: 462,915.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    548,047.86 : 822,817.26 = 308,330.46 : x
  2. Step 2: Convert to fraction form
    548,047.86/822,817.26 = 308,330.46/x
  3. Step 3: Cross multiply
    548,047.86x = 822,817.26 × 308,330.46
  4. Step 4: Simplify right side
    548,047.86x = 253,699,624,271.74
  5. Step 5: Solve for x
    x = 253,699,624,271.74/548,047.86
  6. Step 6: Final answer
    x = 462,915.09

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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.