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Finding the Fourth Proportional to 483,742.34, 667,572.42 and 265,960.22

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Solution

The fourth proportional to 483,742.34, 667,572.42 and 265,960.22 is: 367,029.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    483,742.34 : 667,572.42 = 265,960.22 : x
  2. Step 2: Convert to fraction form
    483,742.34/667,572.42 = 265,960.22/x
  3. Step 3: Cross multiply
    483,742.34x = 667,572.42 × 265,960.22
  4. Step 4: Simplify right side
    483,742.34x = 177,547,707,689.13
  5. Step 5: Solve for x
    x = 177,547,707,689.13/483,742.34
  6. Step 6: Final answer
    x = 367,029.50

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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.