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Finding the Fourth Proportional to 524,540.44, 786,810.68 and 347,005.92

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Solution

The fourth proportional to 524,540.44, 786,810.68 and 347,005.92 is: 520,508.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    524,540.44 : 786,810.68 = 347,005.92 : x
  2. Step 2: Convert to fraction form
    524,540.44/786,810.68 = 347,005.92/x
  3. Step 3: Cross multiply
    524,540.44x = 786,810.68 × 347,005.92
  4. Step 4: Simplify right side
    524,540.44x = 273,027,966,396.01
  5. Step 5: Solve for x
    x = 273,027,966,396.01/524,540.44
  6. Step 6: Final answer
    x = 520,508.90

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1.5x scale

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.