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Finding the Fourth Proportional to 273,440.40, 377,291.40 and 157,131.40

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Solution

The fourth proportional to 273,440.40, 377,291.40 and 157,131.40 is: 216,808.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    273,440.40 : 377,291.40 = 157,131.40 : x
  2. Step 2: Convert to fraction form
    273,440.40/377,291.40 = 157,131.40/x
  3. Step 3: Cross multiply
    273,440.40x = 377,291.40 × 157,131.40
  4. Step 4: Simplify right side
    273,440.40x = 59,284,325,889.96
  5. Step 5: Solve for x
    x = 59,284,325,889.96/273,440.40
  6. Step 6: Final answer
    x = 216,808.95

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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.