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Finding the Fourth Proportional to 273,154.80, 409,829.40 and 263,434.80

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Solution

The fourth proportional to 273,154.80, 409,829.40 and 263,434.80 is: 395,245.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    273,154.80 : 409,829.40 = 263,434.80 : x
  2. Step 2: Convert to fraction form
    273,154.80/409,829.40 = 263,434.80/x
  3. Step 3: Cross multiply
    273,154.80x = 409,829.40 × 263,434.80
  4. Step 4: Simplify right side
    273,154.80x = 107,963,326,023.12
  5. Step 5: Solve for x
    x = 107,963,326,023.12/273,154.80
  6. Step 6: Final answer
    x = 395,245.94

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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.