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Finding the Fourth Proportional to 477,535.05, 716,224.55 and 140,496.89

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Solution

The fourth proportional to 477,535.05, 716,224.55 and 140,496.89 is: 210,722.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    477,535.05 : 716,224.55 = 140,496.89 : x
  2. Step 2: Convert to fraction form
    477,535.05/716,224.55 = 140,496.89/x
  3. Step 3: Cross multiply
    477,535.05x = 716,224.55 × 140,496.89
  4. Step 4: Simplify right side
    477,535.05x = 100,627,317,533.04
  5. Step 5: Solve for x
    x = 100,627,317,533.04/477,535.05
  6. Step 6: Final answer
    x = 210,722.37

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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.