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Finding the Fourth Proportional to 438,240, 604,772.28 and 237,036

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Solution

The fourth proportional to 438,240, 604,772.28 and 237,036 is: 327,110.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    438,240 : 604,772.28 = 237,036 : x
  2. Step 2: Convert to fraction form
    438,240/604,772.28 = 237,036/x
  3. Step 3: Cross multiply
    438,240x = 604,772.28 × 237,036
  4. Step 4: Simplify right side
    438,240x = 143,352,802,162.08
  5. Step 5: Solve for x
    x = 143,352,802,162.08/438,240
  6. Step 6: Final answer
    x = 327,110.26

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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.