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Finding the Fourth Proportional to 463,537.36, 695,414.52 and 143,672.52

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Solution

The fourth proportional to 463,537.36, 695,414.52 and 143,672.52 is: 215,542.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    463,537.36 : 695,414.52 = 143,672.52 : x
  2. Step 2: Convert to fraction form
    463,537.36/695,414.52 = 143,672.52/x
  3. Step 3: Cross multiply
    463,537.36x = 695,414.52 × 143,672.52
  4. Step 4: Simplify right side
    463,537.36x = 99,911,956,532.99
  5. Step 5: Solve for x
    x = 99,911,956,532.99/463,537.36
  6. Step 6: Final answer
    x = 215,542.40

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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.