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Finding the Fourth Proportional to 481,595.52, 664,606.80 and 290,572

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Solution

The fourth proportional to 481,595.52, 664,606.80 and 290,572 is: 400,992.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    481,595.52 : 664,606.80 = 290,572 : x
  2. Step 2: Convert to fraction form
    481,595.52/664,606.80 = 290,572/x
  3. Step 3: Cross multiply
    481,595.52x = 664,606.80 × 290,572
  4. Step 4: Simplify right side
    481,595.52x = 193,116,127,089.60
  5. Step 5: Solve for x
    x = 193,116,127,089.60/481,595.52
  6. Step 6: Final answer
    x = 400,992.37

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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.