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Finding the Fourth Proportional to 359,576.40, 496,005.94 and 230,468.88

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Solution

The fourth proportional to 359,576.40, 496,005.94 and 230,468.88 is: 317,912.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    359,576.40 : 496,005.94 = 230,468.88 : x
  2. Step 2: Convert to fraction form
    359,576.40/496,005.94 = 230,468.88/x
  3. Step 3: Cross multiply
    359,576.40x = 496,005.94 × 230,468.88
  4. Step 4: Simplify right side
    359,576.40x = 114,313,933,465.15
  5. Step 5: Solve for x
    x = 114,313,933,465.15/359,576.40
  6. Step 6: Final answer
    x = 317,912.78

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.