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Finding the Fourth Proportional to 356,675.82, 535,042.92 and 146,315.58

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Solution

The fourth proportional to 356,675.82, 535,042.92 and 146,315.58 is: 219,485.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    356,675.82 : 535,042.92 = 146,315.58 : x
  2. Step 2: Convert to fraction form
    356,675.82/535,042.92 = 146,315.58/x
  3. Step 3: Cross multiply
    356,675.82x = 535,042.92 × 146,315.58
  4. Step 4: Simplify right side
    356,675.82x = 78,285,115,164.69
  5. Step 5: Solve for x
    x = 78,285,115,164.69/356,675.82
  6. Step 6: Final answer
    x = 219,485.34

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.