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Finding the Fourth Proportional to 384,015.10, 576,022.65 and 117,816.70

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Solution

The fourth proportional to 384,015.10, 576,022.65 and 117,816.70 is: 176,725.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    384,015.10 : 576,022.65 = 117,816.70 : x
  2. Step 2: Convert to fraction form
    384,015.10/576,022.65 = 117,816.70/x
  3. Step 3: Cross multiply
    384,015.10x = 576,022.65 × 117,816.70
  4. Step 4: Simplify right side
    384,015.10x = 67,865,087,748.26
  5. Step 5: Solve for x
    x = 67,865,087,748.26/384,015.10
  6. Step 6: Final answer
    x = 176,725.05

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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.