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Finding the Fourth Proportional to 277,616.67, 416,590.91 and 255,030.43

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Solution

The fourth proportional to 277,616.67, 416,590.91 and 255,030.43 is: 382,698.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    277,616.67 : 416,590.91 = 255,030.43 : x
  2. Step 2: Convert to fraction form
    277,616.67/416,590.91 = 255,030.43/x
  3. Step 3: Cross multiply
    277,616.67x = 416,590.91 × 255,030.43
  4. Step 4: Simplify right side
    277,616.67x = 106,243,358,911.39
  5. Step 5: Solve for x
    x = 106,243,358,911.39/277,616.67
  6. Step 6: Final answer
    x = 382,698.05

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.