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Finding the Fourth Proportional to 277,541, 383,015.92 and 170,090.32

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Solution

The fourth proportional to 277,541, 383,015.92 and 170,090.32 is: 234,730.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    277,541 : 383,015.92 = 170,090.32 : x
  2. Step 2: Convert to fraction form
    277,541/383,015.92 = 170,090.32/x
  3. Step 3: Cross multiply
    277,541x = 383,015.92 × 170,090.32
  4. Step 4: Simplify right side
    277,541x = 65,147,300,397.89
  5. Step 5: Solve for x
    x = 65,147,300,397.89/277,541
  6. Step 6: Final answer
    x = 234,730.37

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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.