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Finding the Fourth Proportional to 355,257.10, 532,885.65 and 355,257.10

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Solution

The fourth proportional to 355,257.10, 532,885.65 and 355,257.10 is: 532,885.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    355,257.10 : 532,885.65 = 355,257.10 : x
  2. Step 2: Convert to fraction form
    355,257.10/532,885.65 = 355,257.10/x
  3. Step 3: Cross multiply
    355,257.10x = 532,885.65 × 355,257.10
  4. Step 4: Simplify right side
    355,257.10x = 189,311,410,650.62
  5. Step 5: Solve for x
    x = 189,311,410,650.62/355,257.10
  6. Step 6: Final answer
    x = 532,885.65

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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.