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Finding the Fourth Proportional to 571,078.20, 856,661.04 and 150,348

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Solution

The fourth proportional to 571,078.20, 856,661.04 and 150,348 is: 225,533.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    571,078.20 : 856,661.04 = 150,348 : x
  2. Step 2: Convert to fraction form
    571,078.20/856,661.04 = 150,348/x
  3. Step 3: Cross multiply
    571,078.20x = 856,661.04 × 150,348
  4. Step 4: Simplify right side
    571,078.20x = 128,797,274,041.92
  5. Step 5: Solve for x
    x = 128,797,274,041.92/571,078.20
  6. Step 6: Final answer
    x = 225,533.52

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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.