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Finding the Fourth Proportional to 438,539.84, 605,185.44 and 237,335.36

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Solution

The fourth proportional to 438,539.84, 605,185.44 and 237,335.36 is: 327,523.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    438,539.84 : 605,185.44 = 237,335.36 : x
  2. Step 2: Convert to fraction form
    438,539.84/605,185.44 = 237,335.36/x
  3. Step 3: Cross multiply
    438,539.84x = 605,185.44 × 237,335.36
  4. Step 4: Simplify right side
    438,539.84x = 143,631,904,269.16
  5. Step 5: Solve for x
    x = 143,631,904,269.16/438,539.84
  6. Step 6: Final answer
    x = 327,523.05

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1.5x scale

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.