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Finding the Fourth Proportional to 359,636.68, 496,466.58 and 208,704.52

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Solution

The fourth proportional to 359,636.68, 496,466.58 and 208,704.52 is: 288,109.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    359,636.68 : 496,466.58 = 208,704.52 : x
  2. Step 2: Convert to fraction form
    359,636.68/496,466.58 = 208,704.52/x
  3. Step 3: Cross multiply
    359,636.68x = 496,466.58 × 208,704.52
  4. Step 4: Simplify right side
    359,636.68x = 103,614,819,274.94
  5. Step 5: Solve for x
    x = 103,614,819,274.94/359,636.68
  6. Step 6: Final answer
    x = 288,109.71

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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.