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Finding the Fourth Proportional to 304,434.77, 420,109.64 and 168,474.45

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Solution

The fourth proportional to 304,434.77, 420,109.64 and 168,474.45 is: 232,489.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    304,434.77 : 420,109.64 = 168,474.45 : x
  2. Step 2: Convert to fraction form
    304,434.77/420,109.64 = 168,474.45/x
  3. Step 3: Cross multiply
    304,434.77x = 420,109.64 × 168,474.45
  4. Step 4: Simplify right side
    304,434.77x = 70,777,740,561.54
  5. Step 5: Solve for x
    x = 70,777,740,561.54/304,434.77
  6. Step 6: Final answer
    x = 232,489.02

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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.