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Finding the Fourth Proportional to 364,800.56, 547,255.47 and 128,101.52

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Solution

The fourth proportional to 364,800.56, 547,255.47 and 128,101.52 is: 192,171.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    364,800.56 : 547,255.47 = 128,101.52 : x
  2. Step 2: Convert to fraction form
    364,800.56/547,255.47 = 128,101.52/x
  3. Step 3: Cross multiply
    364,800.56x = 547,255.47 × 128,101.52
  4. Step 4: Simplify right side
    364,800.56x = 70,104,257,535.31
  5. Step 5: Solve for x
    x = 70,104,257,535.31/364,800.56
  6. Step 6: Final answer
    x = 192,171.46

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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.