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Finding the Fourth Proportional to 335,430.80, 503,729.40 and 177,966.80

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Solution

The fourth proportional to 335,430.80, 503,729.40 and 177,966.80 is: 267,259.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    335,430.80 : 503,729.40 = 177,966.80 : x
  2. Step 2: Convert to fraction form
    335,430.80/503,729.40 = 177,966.80/x
  3. Step 3: Cross multiply
    335,430.80x = 503,729.40 × 177,966.80
  4. Step 4: Simplify right side
    335,430.80x = 89,647,109,383.92
  5. Step 5: Solve for x
    x = 89,647,109,383.92/335,430.80
  6. Step 6: Final answer
    x = 267,259.62

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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.