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Finding the Fourth Proportional to 489,251.22, 675,173.43 and 295,632.06

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Solution

The fourth proportional to 489,251.22, 675,173.43 and 295,632.06 is: 407,976.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    489,251.22 : 675,173.43 = 295,632.06 : x
  2. Step 2: Convert to fraction form
    489,251.22/675,173.43 = 295,632.06/x
  3. Step 3: Cross multiply
    489,251.22x = 675,173.43 × 295,632.06
  4. Step 4: Simplify right side
    489,251.22x = 199,602,911,968.17
  5. Step 5: Solve for x
    x = 199,602,911,968.17/489,251.22
  6. Step 6: Final answer
    x = 407,976.32

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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.