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Finding the Fourth Proportional to 599,993.40, 899,999.70 and 156,761.40

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Solution

The fourth proportional to 599,993.40, 899,999.70 and 156,761.40 is: 235,144.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    599,993.40 : 899,999.70 = 156,761.40 : x
  2. Step 2: Convert to fraction form
    599,993.40/899,999.70 = 156,761.40/x
  3. Step 3: Cross multiply
    599,993.40x = 899,999.70 × 156,761.40
  4. Step 4: Simplify right side
    599,993.40x = 141,085,212,971.58
  5. Step 5: Solve for x
    x = 141,085,212,971.58/599,993.40
  6. Step 6: Final answer
    x = 235,144.61

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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.