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Finding the Fourth Proportional to 293,646.70, 405,243.57 and 164,587.54

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Solution

The fourth proportional to 293,646.70, 405,243.57 and 164,587.54 is: 227,137.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    293,646.70 : 405,243.57 = 164,587.54 : x
  2. Step 2: Convert to fraction form
    293,646.70/405,243.57 = 164,587.54/x
  3. Step 3: Cross multiply
    293,646.70x = 405,243.57 × 164,587.54
  4. Step 4: Simplify right side
    293,646.70x = 66,698,041,725.24
  5. Step 5: Solve for x
    x = 66,698,041,725.24/293,646.70
  6. Step 6: Final answer
    x = 227,137.04

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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.