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Finding the Fourth Proportional to 412,444.60, 618,666.42 and 112,927.48

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Solution

The fourth proportional to 412,444.60, 618,666.42 and 112,927.48 is: 169,391.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    412,444.60 : 618,666.42 = 112,927.48 : x
  2. Step 2: Convert to fraction form
    412,444.60/618,666.42 = 112,927.48/x
  3. Step 3: Cross multiply
    412,444.60x = 618,666.42 × 112,927.48
  4. Step 4: Simplify right side
    412,444.60x = 69,864,439,771.22
  5. Step 5: Solve for x
    x = 69,864,439,771.22/412,444.60
  6. Step 6: Final answer
    x = 169,391.09

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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.