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Finding the Fourth Proportional to 576,106.44, 864,149.42 and 155,426.76

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Solution

The fourth proportional to 576,106.44, 864,149.42 and 155,426.76 is: 233,137.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    576,106.44 : 864,149.42 = 155,426.76 : x
  2. Step 2: Convert to fraction form
    576,106.44/864,149.42 = 155,426.76/x
  3. Step 3: Cross multiply
    576,106.44x = 864,149.42 × 155,426.76
  4. Step 4: Simplify right side
    576,106.44x = 134,311,944,506.48
  5. Step 5: Solve for x
    x = 134,311,944,506.48/576,106.44
  6. Step 6: Final answer
    x = 233,137.38

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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.