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Finding the Fourth Proportional to 344,328.98, 475,162.54 and 189,280.80

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Solution

The fourth proportional to 344,328.98, 475,162.54 and 189,280.80 is: 261,201.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    344,328.98 : 475,162.54 = 189,280.80 : x
  2. Step 2: Convert to fraction form
    344,328.98/475,162.54 = 189,280.80/x
  3. Step 3: Cross multiply
    344,328.98x = 475,162.54 × 189,280.80
  4. Step 4: Simplify right side
    344,328.98x = 89,939,145,228.03
  5. Step 5: Solve for x
    x = 89,939,145,228.03/344,328.98
  6. Step 6: Final answer
    x = 261,201.21

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1.5x scale

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.