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Finding the Fourth Proportional to 277,791.06, 416,715.87 and 90,802.26

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Solution

The fourth proportional to 277,791.06, 416,715.87 and 90,802.26 is: 136,212.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    277,791.06 : 416,715.87 = 90,802.26 : x
  2. Step 2: Convert to fraction form
    277,791.06/416,715.87 = 90,802.26/x
  3. Step 3: Cross multiply
    277,791.06x = 416,715.87 × 90,802.26
  4. Step 4: Simplify right side
    277,791.06x = 37,838,742,773.87
  5. Step 5: Solve for x
    x = 37,838,742,773.87/277,791.06
  6. Step 6: Final answer
    x = 136,212.96

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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.