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Finding the Fourth Proportional to 277,980.80, 383,654.75 and 176,015.77

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Solution

The fourth proportional to 277,980.80, 383,654.75 and 176,015.77 is: 242,927.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    277,980.80 : 383,654.75 = 176,015.77 : x
  2. Step 2: Convert to fraction form
    277,980.80/383,654.75 = 176,015.77/x
  3. Step 3: Cross multiply
    277,980.80x = 383,654.75 × 176,015.77
  4. Step 4: Simplify right side
    277,980.80x = 67,529,284,396.19
  5. Step 5: Solve for x
    x = 67,529,284,396.19/277,980.80
  6. Step 6: Final answer
    x = 242,927.88

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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.