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Finding the Fourth Proportional to 599,820.80, 899,731.20 and 156,588.80

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Solution

The fourth proportional to 599,820.80, 899,731.20 and 156,588.80 is: 234,883.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    599,820.80 : 899,731.20 = 156,588.80 : x
  2. Step 2: Convert to fraction form
    599,820.80/899,731.20 = 156,588.80/x
  3. Step 3: Cross multiply
    599,820.80x = 899,731.20 × 156,588.80
  4. Step 4: Simplify right side
    599,820.80x = 140,887,828,930.56
  5. Step 5: Solve for x
    x = 140,887,828,930.56/599,820.80
  6. Step 6: Final answer
    x = 234,883.20

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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.