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Finding the Fourth Proportional to 357,461.37, 536,269.21 and 120,798.81

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Solution

The fourth proportional to 357,461.37, 536,269.21 and 120,798.81 is: 181,224.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    357,461.37 : 536,269.21 = 120,798.81 : x
  2. Step 2: Convert to fraction form
    357,461.37/536,269.21 = 120,798.81/x
  3. Step 3: Cross multiply
    357,461.37x = 536,269.21 × 120,798.81
  4. Step 4: Simplify right side
    357,461.37x = 64,780,682,105.64
  5. Step 5: Solve for x
    x = 64,780,682,105.64/357,461.37
  6. Step 6: Final answer
    x = 181,224.29

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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.