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Finding the Fourth Proportional to 314,786.01, 434,404.76 and 171,546.08

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Solution

The fourth proportional to 314,786.01, 434,404.76 and 171,546.08 is: 236,733.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    314,786.01 : 434,404.76 = 171,546.08 : x
  2. Step 2: Convert to fraction form
    314,786.01/434,404.76 = 171,546.08/x
  3. Step 3: Cross multiply
    314,786.01x = 434,404.76 × 171,546.08
  4. Step 4: Simplify right side
    314,786.01x = 74,520,430,681.59
  5. Step 5: Solve for x
    x = 74,520,430,681.59/314,786.01
  6. Step 6: Final answer
    x = 236,733.62

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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.