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Finding the Fourth Proportional to 359,506.70, 496,299.00 and 223,584.45

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Solution

The fourth proportional to 359,506.70, 496,299.00 and 223,584.45 is: 308,658.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    359,506.70 : 496,299.00 = 223,584.45 : x
  2. Step 2: Convert to fraction form
    359,506.70/496,299.00 = 223,584.45/x
  3. Step 3: Cross multiply
    359,506.70x = 496,299.00 × 223,584.45
  4. Step 4: Simplify right side
    359,506.70x = 110,964,739,461.89
  5. Step 5: Solve for x
    x = 110,964,739,461.89/359,506.70
  6. Step 6: Final answer
    x = 308,658.33

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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.