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Finding the Fourth Proportional to 304,556.58, 420,282.98 and 168,587.62

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Solution

The fourth proportional to 304,556.58, 420,282.98 and 168,587.62 is: 232,648.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    304,556.58 : 420,282.98 = 168,587.62 : x
  2. Step 2: Convert to fraction form
    304,556.58/420,282.98 = 168,587.62/x
  3. Step 3: Cross multiply
    304,556.58x = 420,282.98 × 168,587.62
  4. Step 4: Simplify right side
    304,556.58x = 70,854,504,380.35
  5. Step 5: Solve for x
    x = 70,854,504,380.35/304,556.58
  6. Step 6: Final answer
    x = 232,648.08

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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.