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Finding the Fourth Proportional to 304,794.18, 420,597.41 and 168,820.07

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Solution

The fourth proportional to 304,794.18, 420,597.41 and 168,820.07 is: 232,961.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    304,794.18 : 420,597.41 = 168,820.07 : x
  2. Step 2: Convert to fraction form
    304,794.18/420,597.41 = 168,820.07/x
  3. Step 3: Cross multiply
    304,794.18x = 420,597.41 × 168,820.07
  4. Step 4: Simplify right side
    304,794.18x = 71,005,282,517.08
  5. Step 5: Solve for x
    x = 71,005,282,517.08/304,794.18
  6. Step 6: Final answer
    x = 232,961.41

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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.