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Finding the Fourth Proportional to 371,211.33, 512,271.96 and 201,445.46

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Solution

The fourth proportional to 371,211.33, 512,271.96 and 201,445.46 is: 277,994.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    371,211.33 : 512,271.96 = 201,445.46 : x
  2. Step 2: Convert to fraction form
    371,211.33/512,271.96 = 201,445.46/x
  3. Step 3: Cross multiply
    371,211.33x = 512,271.96 × 201,445.46
  4. Step 4: Simplify right side
    371,211.33x = 103,194,858,065.94
  5. Step 5: Solve for x
    x = 103,194,858,065.94/371,211.33
  6. Step 6: Final answer
    x = 277,994.90

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.