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Finding the Fourth Proportional to 492,094.85, 679,087.80 and 277,303.91

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Solution

The fourth proportional to 492,094.85, 679,087.80 and 277,303.91 is: 382,677.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    492,094.85 : 679,087.80 = 277,303.91 : x
  2. Step 2: Convert to fraction form
    492,094.85/679,087.80 = 277,303.91/x
  3. Step 3: Cross multiply
    492,094.85x = 679,087.80 × 277,303.91
  4. Step 4: Simplify right side
    492,094.85x = 188,313,698,777.86
  5. Step 5: Solve for x
    x = 188,313,698,777.86/492,094.85
  6. Step 6: Final answer
    x = 382,677.65

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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.