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Finding the Fourth Proportional to 586,868.82, 809,882.33 and 345,161.58

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Solution

The fourth proportional to 586,868.82, 809,882.33 and 345,161.58 is: 476,324.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    586,868.82 : 809,882.33 = 345,161.58 : x
  2. Step 2: Convert to fraction form
    586,868.82/809,882.33 = 345,161.58/x
  3. Step 3: Cross multiply
    586,868.82x = 809,882.33 × 345,161.58
  4. Step 4: Simplify right side
    586,868.82x = 279,540,262,911.07
  5. Step 5: Solve for x
    x = 279,540,262,911.07/586,868.82
  6. Step 6: Final answer
    x = 476,324.95

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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.