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Finding the Fourth Proportional to 304,826.70, 420,656.29 and 168,860.24

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Solution

The fourth proportional to 304,826.70, 420,656.29 and 168,860.24 is: 233,024.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    304,826.70 : 420,656.29 = 168,860.24 : x
  2. Step 2: Convert to fraction form
    304,826.70/420,656.29 = 168,860.24/x
  3. Step 3: Cross multiply
    304,826.70x = 420,656.29 × 168,860.24
  4. Step 4: Simplify right side
    304,826.70x = 71,032,122,086.91
  5. Step 5: Solve for x
    x = 71,032,122,086.91/304,826.70
  6. Step 6: Final answer
    x = 233,024.61

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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.