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Finding the Fourth Proportional to 311,343.09, 429,664.01 and 184,127.73

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Solution

The fourth proportional to 311,343.09, 429,664.01 and 184,127.73 is: 254,102.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    311,343.09 : 429,664.01 = 184,127.73 : x
  2. Step 2: Convert to fraction form
    311,343.09/429,664.01 = 184,127.73/x
  3. Step 3: Cross multiply
    311,343.09x = 429,664.01 × 184,127.73
  4. Step 4: Simplify right side
    311,343.09x = 79,113,057,903.36
  5. Step 5: Solve for x
    x = 79,113,057,903.36/311,343.09
  6. Step 6: Final answer
    x = 254,102.50

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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.