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Finding the Fourth Proportional to 576,087.52, 864,542.76 and 256,325.44

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Solution

The fourth proportional to 576,087.52, 864,542.76 and 256,325.44 is: 384,671.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    576,087.52 : 864,542.76 = 256,325.44 : x
  2. Step 2: Convert to fraction form
    576,087.52/864,542.76 = 256,325.44/x
  3. Step 3: Cross multiply
    576,087.52x = 864,542.76 × 256,325.44
  4. Step 4: Simplify right side
    576,087.52x = 221,604,303,355.81
  5. Step 5: Solve for x
    x = 221,604,303,355.81/576,087.52
  6. Step 6: Final answer
    x = 384,671.24

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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.