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Finding the Fourth Proportional to 463,570.30, 695,355.45 and 168,043.90

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Solution

The fourth proportional to 463,570.30, 695,355.45 and 168,043.90 is: 252,065.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    463,570.30 : 695,355.45 = 168,043.90 : x
  2. Step 2: Convert to fraction form
    463,570.30/695,355.45 = 168,043.90/x
  3. Step 3: Cross multiply
    463,570.30x = 695,355.45 × 168,043.90
  4. Step 4: Simplify right side
    463,570.30x = 116,850,241,704.26
  5. Step 5: Solve for x
    x = 116,850,241,704.26/463,570.30
  6. Step 6: Final answer
    x = 252,065.85

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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.