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Finding the Fourth Proportional to 420,530.08, 580,244.88 and 241,647.52

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Solution

The fourth proportional to 420,530.08, 580,244.88 and 241,647.52 is: 333,423.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    420,530.08 : 580,244.88 = 241,647.52 : x
  2. Step 2: Convert to fraction form
    420,530.08/580,244.88 = 241,647.52/x
  3. Step 3: Cross multiply
    420,530.08x = 580,244.88 × 241,647.52
  4. Step 4: Simplify right side
    420,530.08x = 140,214,736,244.70
  5. Step 5: Solve for x
    x = 140,214,736,244.70/420,530.08
  6. Step 6: Final answer
    x = 333,423.80

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.