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Finding the Fourth Proportional to 357,296.16, 536,022 and 120,628.80

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Solution

The fourth proportional to 357,296.16, 536,022 and 120,628.80 is: 180,969.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    357,296.16 : 536,022 = 120,628.80 : x
  2. Step 2: Convert to fraction form
    357,296.16/536,022 = 120,628.80/x
  3. Step 3: Cross multiply
    357,296.16x = 536,022 × 120,628.80
  4. Step 4: Simplify right side
    357,296.16x = 64,659,690,633.60
  5. Step 5: Solve for x
    x = 64,659,690,633.60/357,296.16
  6. Step 6: Final answer
    x = 180,969.45

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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.