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Finding the Fourth Proportional to 277,066.44, 382,328.64 and 156,237.53

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Solution

The fourth proportional to 277,066.44, 382,328.64 and 156,237.53 is: 215,594.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    277,066.44 : 382,328.64 = 156,237.53 : x
  2. Step 2: Convert to fraction form
    277,066.44/382,328.64 = 156,237.53/x
  3. Step 3: Cross multiply
    277,066.44x = 382,328.64 × 156,237.53
  4. Step 4: Simplify right side
    277,066.44x = 59,734,080,450.22
  5. Step 5: Solve for x
    x = 59,734,080,450.22/277,066.44
  6. Step 6: Final answer
    x = 215,594.79

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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.