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Finding the Fourth Proportional to 277,324.56, 382,686.12 and 156,495.24

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Solution

The fourth proportional to 277,324.56, 382,686.12 and 156,495.24 is: 215,951.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    277,324.56 : 382,686.12 = 156,495.24 : x
  2. Step 2: Convert to fraction form
    277,324.56/382,686.12 = 156,495.24/x
  3. Step 3: Cross multiply
    277,324.56x = 382,686.12 × 156,495.24
  4. Step 4: Simplify right side
    277,324.56x = 59,888,556,194.07
  5. Step 5: Solve for x
    x = 59,888,556,194.07/277,324.56
  6. Step 6: Final answer
    x = 215,951.14

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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.