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Finding the Fourth Proportional to 465,665.58, 698,478.90 and 133,241.58

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Solution

The fourth proportional to 465,665.58, 698,478.90 and 133,241.58 is: 199,856.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    465,665.58 : 698,478.90 = 133,241.58 : x
  2. Step 2: Convert to fraction form
    465,665.58/698,478.90 = 133,241.58/x
  3. Step 3: Cross multiply
    465,665.58x = 698,478.90 × 133,241.58
  4. Step 4: Simplify right side
    465,665.58x = 93,066,432,232.66
  5. Step 5: Solve for x
    x = 93,066,432,232.66/465,665.58
  6. Step 6: Final answer
    x = 199,856.80

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1.5x scale

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.