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Finding the Fourth Proportional to 277,484.10, 416,237.79 and 87,940.32

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Solution

The fourth proportional to 277,484.10, 416,237.79 and 87,940.32 is: 131,914.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    277,484.10 : 416,237.79 = 87,940.32 : x
  2. Step 2: Convert to fraction form
    277,484.10/416,237.79 = 87,940.32/x
  3. Step 3: Cross multiply
    277,484.10x = 416,237.79 × 87,940.32
  4. Step 4: Simplify right side
    277,484.10x = 36,604,084,448.69
  5. Step 5: Solve for x
    x = 36,604,084,448.69/277,484.10
  6. Step 6: Final answer
    x = 131,914.17

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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.