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Finding the Fourth Proportional to 334,605.96, 501,267.30 and 207,870.12

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Solution

The fourth proportional to 334,605.96, 501,267.30 and 207,870.12 is: 311,406.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    334,605.96 : 501,267.30 = 207,870.12 : x
  2. Step 2: Convert to fraction form
    334,605.96/501,267.30 = 207,870.12/x
  3. Step 3: Cross multiply
    334,605.96x = 501,267.30 × 207,870.12
  4. Step 4: Simplify right side
    334,605.96x = 104,198,493,803.08
  5. Step 5: Solve for x
    x = 104,198,493,803.08/334,605.96
  6. Step 6: Final answer
    x = 311,406.57

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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.