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Finding the Fourth Proportional to 300,336.40, 414,483.47 and 173,009.80

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Solution

The fourth proportional to 300,336.40, 414,483.47 and 173,009.80 is: 238,764.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    300,336.40 : 414,483.47 = 173,009.80 : x
  2. Step 2: Convert to fraction form
    300,336.40/414,483.47 = 173,009.80/x
  3. Step 3: Cross multiply
    300,336.40x = 414,483.47 × 173,009.80
  4. Step 4: Simplify right side
    300,336.40x = 71,709,702,248.01
  5. Step 5: Solve for x
    x = 71,709,702,248.01/300,336.40
  6. Step 6: Final answer
    x = 238,764.61

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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.