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Finding the Fourth Proportional to 384,503.27, 576,853.38 and 118,266.12

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Solution

The fourth proportional to 384,503.27, 576,853.38 and 118,266.12 is: 177,429.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    384,503.27 : 576,853.38 = 118,266.12 : x
  2. Step 2: Convert to fraction form
    384,503.27/576,853.38 = 118,266.12/x
  3. Step 3: Cross multiply
    384,503.27x = 576,853.38 × 118,266.12
  4. Step 4: Simplify right side
    384,503.27x = 68,222,211,061.49
  5. Step 5: Solve for x
    x = 68,222,211,061.49/384,503.27
  6. Step 6: Final answer
    x = 177,429.47

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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.