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Finding the Fourth Proportional to 277,328.56, 416,007.96 and 87,774.77

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Solution

The fourth proportional to 277,328.56, 416,007.96 and 87,774.77 is: 131,666.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    277,328.56 : 416,007.96 = 87,774.77 : x
  2. Step 2: Convert to fraction form
    277,328.56/416,007.96 = 87,774.77/x
  3. Step 3: Cross multiply
    277,328.56x = 416,007.96 × 87,774.77
  4. Step 4: Simplify right side
    277,328.56x = 36,515,003,007.17
  5. Step 5: Solve for x
    x = 36,515,003,007.17/277,328.56
  6. Step 6: Final answer
    x = 131,666.94

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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.