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Finding the Fourth Proportional to 325,615.74, 487,833 and 240,437.46

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Solution

The fourth proportional to 325,615.74, 487,833 and 240,437.46 is: 360,220.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    325,615.74 : 487,833 = 240,437.46 : x
  2. Step 2: Convert to fraction form
    325,615.74/487,833 = 240,437.46/x
  3. Step 3: Cross multiply
    325,615.74x = 487,833 × 240,437.46
  4. Step 4: Simplify right side
    325,615.74x = 117,293,327,424.18
  5. Step 5: Solve for x
    x = 117,293,327,424.18/325,615.74
  6. Step 6: Final answer
    x = 360,220.08

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.