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Finding the Fourth Proportional to 522,771.55, 784,740.53 and 488,508.55

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Solution

The fourth proportional to 522,771.55, 784,740.53 and 488,508.55 is: 733,307.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    522,771.55 : 784,740.53 = 488,508.55 : x
  2. Step 2: Convert to fraction form
    522,771.55/784,740.53 = 488,508.55/x
  3. Step 3: Cross multiply
    522,771.55x = 784,740.53 × 488,508.55
  4. Step 4: Simplify right side
    522,771.55x = 383,352,455,993.99
  5. Step 5: Solve for x
    x = 383,352,455,993.99/522,771.55
  6. Step 6: Final answer
    x = 733,307.80

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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.