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Finding the Fourth Proportional to 384,329.70, 576,494.55 and 163,145.70

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Solution

The fourth proportional to 384,329.70, 576,494.55 and 163,145.70 is: 244,718.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    384,329.70 : 576,494.55 = 163,145.70 : x
  2. Step 2: Convert to fraction form
    384,329.70/576,494.55 = 163,145.70/x
  3. Step 3: Cross multiply
    384,329.70x = 576,494.55 × 163,145.70
  4. Step 4: Simplify right side
    384,329.70x = 94,052,606,905.94
  5. Step 5: Solve for x
    x = 94,052,606,905.94/384,329.70
  6. Step 6: Final answer
    x = 244,718.55

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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.