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Finding the Fourth Proportional to 277,048.58, 415,596.45 and 87,458.23

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Solution

The fourth proportional to 277,048.58, 415,596.45 and 87,458.23 is: 131,194.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    277,048.58 : 415,596.45 = 87,458.23 : x
  2. Step 2: Convert to fraction form
    277,048.58/415,596.45 = 87,458.23/x
  3. Step 3: Cross multiply
    277,048.58x = 415,596.45 × 87,458.23
  4. Step 4: Simplify right side
    277,048.58x = 36,347,329,911.28
  5. Step 5: Solve for x
    x = 36,347,329,911.28/277,048.58
  6. Step 6: Final answer
    x = 131,194.79

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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.