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Finding the Fourth Proportional to 477,812.49, 716,718.69 and 122,826.84

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Solution

The fourth proportional to 477,812.49, 716,718.69 and 122,826.84 is: 184,240.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    477,812.49 : 716,718.69 = 122,826.84 : x
  2. Step 2: Convert to fraction form
    477,812.49/716,718.69 = 122,826.84/x
  3. Step 3: Cross multiply
    477,812.49x = 716,718.69 × 122,826.84
  4. Step 4: Simplify right side
    477,812.49x = 88,032,291,861.64
  5. Step 5: Solve for x
    x = 88,032,291,861.64/477,812.49
  6. Step 6: Final answer
    x = 184,240.25

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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.