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Finding the Fourth Proportional to 298,172.76, 411,134.04 and 237,696.36

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Solution

The fourth proportional to 298,172.76, 411,134.04 and 237,696.36 is: 327,746.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    298,172.76 : 411,134.04 = 237,696.36 : x
  2. Step 2: Convert to fraction form
    298,172.76/411,134.04 = 237,696.36/x
  3. Step 3: Cross multiply
    298,172.76x = 411,134.04 × 237,696.36
  4. Step 4: Simplify right side
    298,172.76x = 97,725,064,780.09
  5. Step 5: Solve for x
    x = 97,725,064,780.09/298,172.76
  6. Step 6: Final answer
    x = 327,746.45

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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.