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Finding the Fourth Proportional to 277,666.51, 416,499.82 and 100,173.46

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Solution

The fourth proportional to 277,666.51, 416,499.82 and 100,173.46 is: 150,260.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    277,666.51 : 416,499.82 = 100,173.46 : x
  2. Step 2: Convert to fraction form
    277,666.51/416,499.82 = 100,173.46/x
  3. Step 3: Cross multiply
    277,666.51x = 416,499.82 × 100,173.46
  4. Step 4: Simplify right side
    277,666.51x = 41,722,228,058.78
  5. Step 5: Solve for x
    x = 41,722,228,058.78/277,666.51
  6. Step 6: Final answer
    x = 150,260.21

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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.