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Finding the Fourth Proportional to 301,026.54, 415,400.63 and 171,939.66

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Solution

The fourth proportional to 301,026.54, 415,400.63 and 171,939.66 is: 237,267.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    301,026.54 : 415,400.63 = 171,939.66 : x
  2. Step 2: Convert to fraction form
    301,026.54/415,400.63 = 171,939.66/x
  3. Step 3: Cross multiply
    301,026.54x = 415,400.63 × 171,939.66
  4. Step 4: Simplify right side
    301,026.54x = 71,423,843,085.99
  5. Step 5: Solve for x
    x = 71,423,843,085.99/301,026.54
  6. Step 6: Final answer
    x = 237,267.59

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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.