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Finding the Fourth Proportional to 270,991.34, 373,967.78 and 150,140.15

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Solution

The fourth proportional to 270,991.34, 373,967.78 and 150,140.15 is: 207,193.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    270,991.34 : 373,967.78 = 150,140.15 : x
  2. Step 2: Convert to fraction form
    270,991.34/373,967.78 = 150,140.15/x
  3. Step 3: Cross multiply
    270,991.34x = 373,967.78 × 150,140.15
  4. Step 4: Simplify right side
    270,991.34x = 56,147,575,963.83
  5. Step 5: Solve for x
    x = 56,147,575,963.83/270,991.34
  6. Step 6: Final answer
    x = 207,193.25

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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.