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Finding the Fourth Proportional to 463,400.40, 695,100.60 and 163,878.60

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Solution

The fourth proportional to 463,400.40, 695,100.60 and 163,878.60 is: 245,817.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    463,400.40 : 695,100.60 = 163,878.60 : x
  2. Step 2: Convert to fraction form
    463,400.40/695,100.60 = 163,878.60/x
  3. Step 3: Cross multiply
    463,400.40x = 695,100.60 × 163,878.60
  4. Step 4: Simplify right side
    463,400.40x = 113,912,113,187.16
  5. Step 5: Solve for x
    x = 113,912,113,187.16/463,400.40
  6. Step 6: Final answer
    x = 245,817.90

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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.