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Finding the Fourth Proportional to 489,573.45, 734,434.29 and 173,955.33

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Solution

The fourth proportional to 489,573.45, 734,434.29 and 173,955.33 is: 260,959.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    489,573.45 : 734,434.29 = 173,955.33 : x
  2. Step 2: Convert to fraction form
    489,573.45/734,434.29 = 173,955.33/x
  3. Step 3: Cross multiply
    489,573.45x = 734,434.29 × 173,955.33
  4. Step 4: Simplify right side
    489,573.45x = 127,758,759,280.27
  5. Step 5: Solve for x
    x = 127,758,759,280.27/489,573.45
  6. Step 6: Final answer
    x = 260,959.33

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.