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Finding the Fourth Proportional to 463,774.40, 695,402.40 and 197,489.60

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Solution

The fourth proportional to 463,774.40, 695,402.40 and 197,489.60 is: 296,124.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    463,774.40 : 695,402.40 = 197,489.60 : x
  2. Step 2: Convert to fraction form
    463,774.40/695,402.40 = 197,489.60/x
  3. Step 3: Cross multiply
    463,774.40x = 695,402.40 × 197,489.60
  4. Step 4: Simplify right side
    463,774.40x = 137,334,741,815.04
  5. Step 5: Solve for x
    x = 137,334,741,815.04/463,774.40
  6. Step 6: Final answer
    x = 296,124.02

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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.