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Finding the Fourth Proportional to 477,652.43, 716,485.95 and 122,658.59

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Solution

The fourth proportional to 477,652.43, 716,485.95 and 122,658.59 is: 183,989.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    477,652.43 : 716,485.95 = 122,658.59 : x
  2. Step 2: Convert to fraction form
    477,652.43/716,485.95 = 122,658.59/x
  3. Step 3: Cross multiply
    477,652.43x = 716,485.95 × 122,658.59
  4. Step 4: Simplify right side
    477,652.43x = 87,883,152,799.38
  5. Step 5: Solve for x
    x = 87,883,152,799.38/477,652.43
  6. Step 6: Final answer
    x = 183,989.76

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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.