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Finding the Fourth Proportional to 357,037.49, 535,558.08 and 120,382.22

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Solution

The fourth proportional to 357,037.49, 535,558.08 and 120,382.22 is: 180,573.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    357,037.49 : 535,558.08 = 120,382.22 : x
  2. Step 2: Convert to fraction form
    357,037.49/535,558.08 = 120,382.22/x
  3. Step 3: Cross multiply
    357,037.49x = 535,558.08 × 120,382.22
  4. Step 4: Simplify right side
    357,037.49x = 64,471,670,609.34
  5. Step 5: Solve for x
    x = 64,471,670,609.34/357,037.49
  6. Step 6: Final answer
    x = 180,573.95

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.