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Finding the Fourth Proportional to 617,515.76, 852,153.44 and 341,885.89

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Solution

The fourth proportional to 617,515.76, 852,153.44 and 341,885.89 is: 471,792.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    617,515.76 : 852,153.44 = 341,885.89 : x
  2. Step 2: Convert to fraction form
    617,515.76/852,153.44 = 341,885.89/x
  3. Step 3: Cross multiply
    617,515.76x = 852,153.44 × 341,885.89
  4. Step 4: Simplify right side
    617,515.76x = 291,339,237,867.85
  5. Step 5: Solve for x
    x = 291,339,237,867.85/617,515.76
  6. Step 6: Final answer
    x = 471,792.39

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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.