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Finding the Fourth Proportional to 463,535.92, 695,412.37 and 143,671.07

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Solution

The fourth proportional to 463,535.92, 695,412.37 and 143,671.07 is: 215,540.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    463,535.92 : 695,412.37 = 143,671.07 : x
  2. Step 2: Convert to fraction form
    463,535.92/695,412.37 = 143,671.07/x
  3. Step 3: Cross multiply
    463,535.92x = 695,412.37 × 143,671.07
  4. Step 4: Simplify right side
    463,535.92x = 99,910,641,207.26
  5. Step 5: Solve for x
    x = 99,910,641,207.26/463,535.92
  6. Step 6: Final answer
    x = 215,540.23

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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.