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Finding the Fourth Proportional to 365,053.56, 546,248.15 and 215,365.56

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Solution

The fourth proportional to 365,053.56, 546,248.15 and 215,365.56 is: 322,262.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    365,053.56 : 546,248.15 = 215,365.56 : x
  2. Step 2: Convert to fraction form
    365,053.56/546,248.15 = 215,365.56/x
  3. Step 3: Cross multiply
    365,053.56x = 546,248.15 × 215,365.56
  4. Step 4: Simplify right side
    365,053.56x = 117,643,038,723.71
  5. Step 5: Solve for x
    x = 117,643,038,723.71/365,053.56
  6. Step 6: Final answer
    x = 322,262.41

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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.