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Finding the Fourth Proportional to 376,581, 519,453.57 and 223,518.34

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Solution

The fourth proportional to 376,581, 519,453.57 and 223,518.34 is: 308,319.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    376,581 : 519,453.57 = 223,518.34 : x
  2. Step 2: Convert to fraction form
    376,581/519,453.57 = 223,518.34/x
  3. Step 3: Cross multiply
    376,581x = 519,453.57 × 223,518.34
  4. Step 4: Simplify right side
    376,581x = 116,107,399,673.47
  5. Step 5: Solve for x
    x = 116,107,399,673.47/376,581
  6. Step 6: Final answer
    x = 308,319.86

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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.