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Finding the Fourth Proportional to 371,292.79, 512,370.34 and 201,523.27

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Solution

The fourth proportional to 371,292.79, 512,370.34 and 201,523.27 is: 278,094.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    371,292.79 : 512,370.34 = 201,523.27 : x
  2. Step 2: Convert to fraction form
    371,292.79/512,370.34 = 201,523.27/x
  3. Step 3: Cross multiply
    371,292.79x = 512,370.34 × 201,523.27
  4. Step 4: Simplify right side
    371,292.79x = 103,254,546,367.81
  5. Step 5: Solve for x
    x = 103,254,546,367.81/371,292.79
  6. Step 6: Final answer
    x = 278,094.67

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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.