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Finding the Fourth Proportional to 277,454.56, 382,746.18 and 168,529.90

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Solution

The fourth proportional to 277,454.56, 382,746.18 and 168,529.90 is: 232,485.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    277,454.56 : 382,746.18 = 168,529.90 : x
  2. Step 2: Convert to fraction form
    277,454.56/382,746.18 = 168,529.90/x
  3. Step 3: Cross multiply
    277,454.56x = 382,746.18 × 168,529.90
  4. Step 4: Simplify right side
    277,454.56x = 64,504,175,440.78
  5. Step 5: Solve for x
    x = 64,504,175,440.78/277,454.56
  6. Step 6: Final answer
    x = 232,485.55

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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.