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Finding the Fourth Proportional to 571,900.76, 856,882.37 and 379,640.92

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Solution

The fourth proportional to 571,900.76, 856,882.37 and 379,640.92 is: 568,818.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    571,900.76 : 856,882.37 = 379,640.92 : x
  2. Step 2: Convert to fraction form
    571,900.76/856,882.37 = 379,640.92/x
  3. Step 3: Cross multiply
    571,900.76x = 856,882.37 × 379,640.92
  4. Step 4: Simplify right side
    571,900.76x = 325,307,610,085.48
  5. Step 5: Solve for x
    x = 325,307,610,085.48/571,900.76
  6. Step 6: Final answer
    x = 568,818.28

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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.