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Finding the Fourth Proportional to 269,848.09, 404,698.20 and 101,355.40

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Solution

The fourth proportional to 269,848.09, 404,698.20 and 101,355.40 is: 152,005.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,848.09 : 404,698.20 = 101,355.40 : x
  2. Step 2: Convert to fraction form
    269,848.09/404,698.20 = 101,355.40/x
  3. Step 3: Cross multiply
    269,848.09x = 404,698.20 × 101,355.40
  4. Step 4: Simplify right side
    269,848.09x = 41,018,347,940.28
  5. Step 5: Solve for x
    x = 41,018,347,940.28/269,848.09
  6. Step 6: Final answer
    x = 152,005.33

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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.