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Finding the Fourth Proportional to 277,388.16, 382,791.93 and 154,882.44

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Solution

The fourth proportional to 277,388.16, 382,791.93 and 154,882.44 is: 213,735.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    277,388.16 : 382,791.93 = 154,882.44 : x
  2. Step 2: Convert to fraction form
    277,388.16/382,791.93 = 154,882.44/x
  3. Step 3: Cross multiply
    277,388.16x = 382,791.93 × 154,882.44
  4. Step 4: Simplify right side
    277,388.16x = 59,287,748,130.71
  5. Step 5: Solve for x
    x = 59,287,748,130.71/277,388.16
  6. Step 6: Final answer
    x = 213,735.68

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1.5x scale

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.