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Finding the Fourth Proportional to 543,093.62, 749,457.83 and 301,374.23

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Solution

The fourth proportional to 543,093.62, 749,457.83 and 301,374.23 is: 415,890.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    543,093.62 : 749,457.83 = 301,374.23 : x
  2. Step 2: Convert to fraction form
    543,093.62/749,457.83 = 301,374.23/x
  3. Step 3: Cross multiply
    543,093.62x = 749,457.83 × 301,374.23
  4. Step 4: Simplify right side
    543,093.62x = 225,867,271,179.56
  5. Step 5: Solve for x
    x = 225,867,271,179.56/543,093.62
  6. Step 6: Final answer
    x = 415,890.12

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1.5x scale

Why These Related Problems?

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