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Finding the Fourth Proportional to 270,670.59, 373,512.09 and 154,388.66

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Solution

The fourth proportional to 270,670.59, 373,512.09 and 154,388.66 is: 213,048.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    270,670.59 : 373,512.09 = 154,388.66 : x
  2. Step 2: Convert to fraction form
    270,670.59/373,512.09 = 154,388.66/x
  3. Step 3: Cross multiply
    270,670.59x = 373,512.09 × 154,388.66
  4. Step 4: Simplify right side
    270,670.59x = 57,666,029,201.34
  5. Step 5: Solve for x
    x = 57,666,029,201.34/270,670.59
  6. Step 6: Final answer
    x = 213,048.74

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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.