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Finding the Fourth Proportional to 277,891.58, 383,485.37 and 157,030.26

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Solution

The fourth proportional to 277,891.58, 383,485.37 and 157,030.26 is: 216,698.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    277,891.58 : 383,485.37 = 157,030.26 : x
  2. Step 2: Convert to fraction form
    277,891.58/383,485.37 = 157,030.26/x
  3. Step 3: Cross multiply
    277,891.58x = 383,485.37 × 157,030.26
  4. Step 4: Simplify right side
    277,891.58x = 60,218,806,572.14
  5. Step 5: Solve for x
    x = 60,218,806,572.14/277,891.58
  6. Step 6: Final answer
    x = 216,698.93

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.