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Finding the Fourth Proportional to 273,549.80, 410,439.90 and 148,980.20

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Solution

The fourth proportional to 273,549.80, 410,439.90 and 148,980.20 is: 223,533.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    273,549.80 : 410,439.90 = 148,980.20 : x
  2. Step 2: Convert to fraction form
    273,549.80/410,439.90 = 148,980.20/x
  3. Step 3: Cross multiply
    273,549.80x = 410,439.90 × 148,980.20
  4. Step 4: Simplify right side
    273,549.80x = 61,147,418,389.98
  5. Step 5: Solve for x
    x = 61,147,418,389.98/273,549.80
  6. Step 6: Final answer
    x = 223,533.04

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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.