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Finding the Fourth Proportional to 570,814.56, 787,180.55 and 341,334.47

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Solution

The fourth proportional to 570,814.56, 787,180.55 and 341,334.47 is: 470,716.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    570,814.56 : 787,180.55 = 341,334.47 : x
  2. Step 2: Convert to fraction form
    570,814.56/787,180.55 = 341,334.47/x
  3. Step 3: Cross multiply
    570,814.56x = 787,180.55 × 341,334.47
  4. Step 4: Simplify right side
    570,814.56x = 268,691,856,089.84
  5. Step 5: Solve for x
    x = 268,691,856,089.84/570,814.56
  6. Step 6: Final answer
    x = 470,716.54

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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.