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Finding the Fourth Proportional to 335,512.80, 503,852.40 and 178,048.80

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Solution

The fourth proportional to 335,512.80, 503,852.40 and 178,048.80 is: 267,382.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    335,512.80 : 503,852.40 = 178,048.80 : x
  2. Step 2: Convert to fraction form
    335,512.80/503,852.40 = 178,048.80/x
  3. Step 3: Cross multiply
    335,512.80x = 503,852.40 × 178,048.80
  4. Step 4: Simplify right side
    335,512.80x = 89,710,315,197.12
  5. Step 5: Solve for x
    x = 89,710,315,197.12/335,512.80
  6. Step 6: Final answer
    x = 267,382.69

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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.