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Finding the Fourth Proportional to 658,672.44, 908,956.08 and 372,186.36

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Solution

The fourth proportional to 658,672.44, 908,956.08 and 372,186.36 is: 513,610.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    658,672.44 : 908,956.08 = 372,186.36 : x
  2. Step 2: Convert to fraction form
    658,672.44/908,956.08 = 372,186.36/x
  3. Step 3: Cross multiply
    658,672.44x = 908,956.08 × 372,186.36
  4. Step 4: Simplify right side
    658,672.44x = 338,301,054,815.07
  5. Step 5: Solve for x
    x = 338,301,054,815.07/658,672.44
  6. Step 6: Final answer
    x = 513,610.46

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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.