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Finding the Fourth Proportional to 477,325.10, 716,004.93 and 161,812.46

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Solution

The fourth proportional to 477,325.10, 716,004.93 and 161,812.46 is: 242,724.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    477,325.10 : 716,004.93 = 161,812.46 : x
  2. Step 2: Convert to fraction form
    477,325.10/716,004.93 = 161,812.46/x
  3. Step 3: Cross multiply
    477,325.10x = 716,004.93 × 161,812.46
  4. Step 4: Simplify right side
    477,325.10x = 115,858,519,095.43
  5. Step 5: Solve for x
    x = 115,858,519,095.43/477,325.10
  6. Step 6: Final answer
    x = 242,724.55

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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.