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Finding the Fourth Proportional to 230,420.03, 317,906.79 and 181,868.63

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Solution

The fourth proportional to 230,420.03, 317,906.79 and 181,868.63 is: 250,921.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    230,420.03 : 317,906.79 = 181,868.63 : x
  2. Step 2: Convert to fraction form
    230,420.03/317,906.79 = 181,868.63/x
  3. Step 3: Cross multiply
    230,420.03x = 317,906.79 × 181,868.63
  4. Step 4: Simplify right side
    230,420.03x = 57,817,272,365.00
  5. Step 5: Solve for x
    x = 57,817,272,365.00/230,420.03
  6. Step 6: Final answer
    x = 250,921.21

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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.