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Finding the Fourth Proportional to 277,964.10, 416,946.15 and 100,476.90

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Solution

The fourth proportional to 277,964.10, 416,946.15 and 100,476.90 is: 150,715.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    277,964.10 : 416,946.15 = 100,476.90 : x
  2. Step 2: Convert to fraction form
    277,964.10/416,946.15 = 100,476.90/x
  3. Step 3: Cross multiply
    277,964.10x = 416,946.15 × 100,476.90
  4. Step 4: Simplify right side
    277,964.10x = 41,893,456,618.94
  5. Step 5: Solve for x
    x = 41,893,456,618.94/277,964.10
  6. Step 6: Final answer
    x = 150,715.35

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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.