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Finding the Fourth Proportional to 277,379.70, 382,783.15 and 150,055.26

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Solution

The fourth proportional to 277,379.70, 382,783.15 and 150,055.26 is: 207,075.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    277,379.70 : 382,783.15 = 150,055.26 : x
  2. Step 2: Convert to fraction form
    277,379.70/382,783.15 = 150,055.26/x
  3. Step 3: Cross multiply
    277,379.70x = 382,783.15 × 150,055.26
  4. Step 4: Simplify right side
    277,379.70x = 57,438,625,096.87
  5. Step 5: Solve for x
    x = 57,438,625,096.87/277,379.70
  6. Step 6: Final answer
    x = 207,075.81

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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.