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Finding the Fourth Proportional to 438,973.44, 605,784 and 237,768.96

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Solution

The fourth proportional to 438,973.44, 605,784 and 237,768.96 is: 328,121.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    438,973.44 : 605,784 = 237,768.96 : x
  2. Step 2: Convert to fraction form
    438,973.44/605,784 = 237,768.96/x
  3. Step 3: Cross multiply
    438,973.44x = 605,784 × 237,768.96
  4. Step 4: Simplify right side
    438,973.44x = 144,036,631,664.64
  5. Step 5: Solve for x
    x = 144,036,631,664.64/438,973.44
  6. Step 6: Final answer
    x = 328,121.52

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Why These Related Problems?

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