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Finding the Fourth Proportional to 300,637.92, 414,777.32 and 171,483.60

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Solution

The fourth proportional to 300,637.92, 414,777.32 and 171,483.60 is: 236,588.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    300,637.92 : 414,777.32 = 171,483.60 : x
  2. Step 2: Convert to fraction form
    300,637.92/414,777.32 = 171,483.60/x
  3. Step 3: Cross multiply
    300,637.92x = 414,777.32 × 171,483.60
  4. Step 4: Simplify right side
    300,637.92x = 71,127,508,031.95
  5. Step 5: Solve for x
    x = 71,127,508,031.95/300,637.92
  6. Step 6: Final answer
    x = 236,588.61

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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.