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Finding the Fourth Proportional to 415,416.17, 622,875.11 and 190,494.84

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Solution

The fourth proportional to 415,416.17, 622,875.11 and 190,494.84 is: 285,628.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    415,416.17 : 622,875.11 = 190,494.84 : x
  2. Step 2: Convert to fraction form
    415,416.17/622,875.11 = 190,494.84/x
  3. Step 3: Cross multiply
    415,416.17x = 622,875.11 × 190,494.84
  4. Step 4: Simplify right side
    415,416.17x = 118,654,493,466.96
  5. Step 5: Solve for x
    x = 118,654,493,466.96/415,416.17
  6. Step 6: Final answer
    x = 285,628.01

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1.5x scale

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.