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Finding the Fourth Proportional to 484,083.50, 668,084.20 and 277,379.26

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Solution

The fourth proportional to 484,083.50, 668,084.20 and 277,379.26 is: 382,811.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    484,083.50 : 668,084.20 = 277,379.26 : x
  2. Step 2: Convert to fraction form
    484,083.50/668,084.20 = 277,379.26/x
  3. Step 3: Cross multiply
    484,083.50x = 668,084.20 × 277,379.26
  4. Step 4: Simplify right side
    484,083.50x = 185,312,701,013.69
  5. Step 5: Solve for x
    x = 185,312,701,013.69/484,083.50
  6. Step 6: Final answer
    x = 382,811.44

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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.