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Finding the Fourth Proportional to 477,896.01, 716,820.26 and 178,353.69

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Solution

The fourth proportional to 477,896.01, 716,820.26 and 178,353.69 is: 267,521.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    477,896.01 : 716,820.26 = 178,353.69 : x
  2. Step 2: Convert to fraction form
    477,896.01/716,820.26 = 178,353.69/x
  3. Step 3: Cross multiply
    477,896.01x = 716,820.26 × 178,353.69
  4. Step 4: Simplify right side
    477,896.01x = 127,847,537,545.99
  5. Step 5: Solve for x
    x = 127,847,537,545.99/477,896.01
  6. Step 6: Final answer
    x = 267,521.67

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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.