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Finding the Fourth Proportional to 468,980.52, 647,154.78 and 265,048.92

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Solution

The fourth proportional to 468,980.52, 647,154.78 and 265,048.92 is: 365,745.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    468,980.52 : 647,154.78 = 265,048.92 : x
  2. Step 2: Convert to fraction form
    468,980.52/647,154.78 = 265,048.92/x
  3. Step 3: Cross multiply
    468,980.52x = 647,154.78 × 265,048.92
  4. Step 4: Simplify right side
    468,980.52x = 171,527,675,511.84
  5. Step 5: Solve for x
    x = 171,527,675,511.84/468,980.52
  6. Step 6: Final answer
    x = 365,745.84

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.