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Finding the Fourth Proportional to 434,390.41, 599,103.33 and 305,754.71

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Solution

The fourth proportional to 434,390.41, 599,103.33 and 305,754.71 is: 421,691.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    434,390.41 : 599,103.33 = 305,754.71 : x
  2. Step 2: Convert to fraction form
    434,390.41/599,103.33 = 305,754.71/x
  3. Step 3: Cross multiply
    434,390.41x = 599,103.33 × 305,754.71
  4. Step 4: Simplify right side
    434,390.41x = 183,178,664,924.18
  5. Step 5: Solve for x
    x = 183,178,664,924.18/434,390.41
  6. Step 6: Final answer
    x = 421,691.32

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.