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Finding the Fourth Proportional to 304,794.43, 420,597.76 and 168,820.32

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Solution

The fourth proportional to 304,794.43, 420,597.76 and 168,820.32 is: 232,961.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    304,794.43 : 420,597.76 = 168,820.32 : x
  2. Step 2: Convert to fraction form
    304,794.43/420,597.76 = 168,820.32/x
  3. Step 3: Cross multiply
    304,794.43x = 420,597.76 × 168,820.32
  4. Step 4: Simplify right side
    304,794.43x = 71,005,445,909.44
  5. Step 5: Solve for x
    x = 71,005,445,909.44/304,794.43
  6. Step 6: Final answer
    x = 232,961.76

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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.