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Finding the Fourth Proportional to 978,035.95, 1,466,896.55 and 267,897.97

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Solution

The fourth proportional to 978,035.95, 1,466,896.55 and 267,897.97 is: 401,803.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    978,035.95 : 1,466,896.55 = 267,897.97 : x
  2. Step 2: Convert to fraction form
    978,035.95/1,466,896.55 = 267,897.97/x
  3. Step 3: Cross multiply
    978,035.95x = 1,466,896.55 × 267,897.97
  4. Step 4: Simplify right side
    978,035.95x = 392,978,600,610.52
  5. Step 5: Solve for x
    x = 392,978,600,610.52/978,035.95
  6. Step 6: Final answer
    x = 401,803.84

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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.