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Finding the Fourth Proportional to 277,007.90, 415,511.85 and 229,768.70

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Solution

The fourth proportional to 277,007.90, 415,511.85 and 229,768.70 is: 344,653.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    277,007.90 : 415,511.85 = 229,768.70 : x
  2. Step 2: Convert to fraction form
    277,007.90/415,511.85 = 229,768.70/x
  3. Step 3: Cross multiply
    277,007.90x = 415,511.85 × 229,768.70
  4. Step 4: Simplify right side
    277,007.90x = 95,471,617,609.10
  5. Step 5: Solve for x
    x = 95,471,617,609.10/277,007.90
  6. Step 6: Final answer
    x = 344,653.05

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1.5x scale

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.