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Finding the Fourth Proportional to 599,419.20, 898,999.20 and 262,459.20

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Solution

The fourth proportional to 599,419.20, 898,999.20 and 262,459.20 is: 393,632.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    599,419.20 : 898,999.20 = 262,459.20 : x
  2. Step 2: Convert to fraction form
    599,419.20/898,999.20 = 262,459.20/x
  3. Step 3: Cross multiply
    599,419.20x = 898,999.20 × 262,459.20
  4. Step 4: Simplify right side
    599,419.20x = 235,950,610,832.64
  5. Step 5: Solve for x
    x = 235,950,610,832.64/599,419.20
  6. Step 6: Final answer
    x = 393,632.05

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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.