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Finding the Fourth Proportional to 288,242.58, 431,846.28 and 175,864.80

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Solution

The fourth proportional to 288,242.58, 431,846.28 and 175,864.80 is: 263,481.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    288,242.58 : 431,846.28 = 175,864.80 : x
  2. Step 2: Convert to fraction form
    288,242.58/431,846.28 = 175,864.80/x
  3. Step 3: Cross multiply
    288,242.58x = 431,846.28 × 175,864.80
  4. Step 4: Simplify right side
    288,242.58x = 75,946,559,662.94
  5. Step 5: Solve for x
    x = 75,946,559,662.94/288,242.58
  6. Step 6: Final answer
    x = 263,481.40

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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.