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Finding the Fourth Proportional to 676,806.40, 1,014,682.68 and 335,014.01

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Solution

The fourth proportional to 676,806.40, 1,014,682.68 and 335,014.01 is: 502,260.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    676,806.40 : 1,014,682.68 = 335,014.01 : x
  2. Step 2: Convert to fraction form
    676,806.40/1,014,682.68 = 335,014.01/x
  3. Step 3: Cross multiply
    676,806.40x = 1,014,682.68 × 335,014.01
  4. Step 4: Simplify right side
    676,806.40x = 339,932,912,235.99
  5. Step 5: Solve for x
    x = 339,932,912,235.99/676,806.40
  6. Step 6: Final answer
    x = 502,260.19

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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.