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Finding the Fourth Proportional to 304,111.01, 419,655.23 and 168,134.28

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Solution

The fourth proportional to 304,111.01, 419,655.23 and 168,134.28 is: 232,015.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    304,111.01 : 419,655.23 = 168,134.28 : x
  2. Step 2: Convert to fraction form
    304,111.01/419,655.23 = 168,134.28/x
  3. Step 3: Cross multiply
    304,111.01x = 419,655.23 × 168,134.28
  4. Step 4: Simplify right side
    304,111.01x = 70,558,430,520.97
  5. Step 5: Solve for x
    x = 70,558,430,520.97/304,111.01
  6. Step 6: Final answer
    x = 232,015.38

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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.