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Finding the Fourth Proportional to 508,559.09, 701,760.41 and 304,604.76

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Solution

The fourth proportional to 508,559.09, 701,760.41 and 304,604.76 is: 420,323.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    508,559.09 : 701,760.41 = 304,604.76 : x
  2. Step 2: Convert to fraction form
    508,559.09/701,760.41 = 304,604.76/x
  3. Step 3: Cross multiply
    508,559.09x = 701,760.41 × 304,604.76
  4. Step 4: Simplify right side
    508,559.09x = 213,759,563,516.40
  5. Step 5: Solve for x
    x = 213,759,563,516.40/508,559.09
  6. Step 6: Final answer
    x = 420,323.95

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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.