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Finding the Fourth Proportional to 652,367.87, 900,267.39 and 380,383.24

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Solution

The fourth proportional to 652,367.87, 900,267.39 and 380,383.24 is: 524,928.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    652,367.87 : 900,267.39 = 380,383.24 : x
  2. Step 2: Convert to fraction form
    652,367.87/900,267.39 = 380,383.24/x
  3. Step 3: Cross multiply
    652,367.87x = 900,267.39 × 380,383.24
  4. Step 4: Simplify right side
    652,367.87x = 342,446,625,042.05
  5. Step 5: Solve for x
    x = 342,446,625,042.05/652,367.87
  6. Step 6: Final answer
    x = 524,928.71

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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.