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Finding the Fourth Proportional to 326,915.76, 451,094.94 and 183,648.54

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Solution

The fourth proportional to 326,915.76, 451,094.94 and 183,648.54 is: 253,407.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    326,915.76 : 451,094.94 = 183,648.54 : x
  2. Step 2: Convert to fraction form
    326,915.76/451,094.94 = 183,648.54/x
  3. Step 3: Cross multiply
    326,915.76x = 451,094.94 × 183,648.54
  4. Step 4: Simplify right side
    326,915.76x = 82,842,927,132.39
  5. Step 5: Solve for x
    x = 82,842,927,132.39/326,915.76
  6. Step 6: Final answer
    x = 253,407.57

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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.