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Finding the Fourth Proportional to 344,596.80, 515,858.40 and 303,124.80

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Solution

The fourth proportional to 344,596.80, 515,858.40 and 303,124.80 is: 453,775.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    344,596.80 : 515,858.40 = 303,124.80 : x
  2. Step 2: Convert to fraction form
    344,596.80/515,858.40 = 303,124.80/x
  3. Step 3: Cross multiply
    344,596.80x = 515,858.40 × 303,124.80
  4. Step 4: Simplify right side
    344,596.80x = 156,369,474,328.32
  5. Step 5: Solve for x
    x = 156,369,474,328.32/344,596.80
  6. Step 6: Final answer
    x = 453,775.18

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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.