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Finding the Fourth Proportional to 438,958, 605,762.04 and 237,754

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Solution

The fourth proportional to 438,958, 605,762.04 and 237,754 is: 328,100.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    438,958 : 605,762.04 = 237,754 : x
  2. Step 2: Convert to fraction form
    438,958/605,762.04 = 237,754/x
  3. Step 3: Cross multiply
    438,958x = 605,762.04 × 237,754
  4. Step 4: Simplify right side
    438,958x = 144,022,348,058.16
  5. Step 5: Solve for x
    x = 144,022,348,058.16/438,958
  6. Step 6: Final answer
    x = 328,100.52

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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.