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Finding the Fourth Proportional to 673,870.57, 929,960.53 and 367,966.37

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Solution

The fourth proportional to 673,870.57, 929,960.53 and 367,966.37 is: 507,804.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    673,870.57 : 929,960.53 = 367,966.37 : x
  2. Step 2: Convert to fraction form
    673,870.57/929,960.53 = 367,966.37/x
  3. Step 3: Cross multiply
    673,870.57x = 929,960.53 × 367,966.37
  4. Step 4: Simplify right side
    673,870.57x = 342,194,201,872.36
  5. Step 5: Solve for x
    x = 342,194,201,872.36/673,870.57
  6. Step 6: Final answer
    x = 507,804.05

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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.