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Finding the Fourth Proportional to 484,627.34, 668,848.47 and 277,976.34

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Solution

The fourth proportional to 484,627.34, 668,848.47 and 277,976.34 is: 383,643.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    484,627.34 : 668,848.47 = 277,976.34 : x
  2. Step 2: Convert to fraction form
    484,627.34/668,848.47 = 277,976.34/x
  3. Step 3: Cross multiply
    484,627.34x = 668,848.47 × 277,976.34
  4. Step 4: Simplify right side
    484,627.34x = 185,924,048,662.79
  5. Step 5: Solve for x
    x = 185,924,048,662.79/484,627.34
  6. Step 6: Final answer
    x = 383,643.33

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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.