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Finding the Fourth Proportional to 349,999.10, 524,609.85 and 192,340.70

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Solution

The fourth proportional to 349,999.10, 524,609.85 and 192,340.70 is: 288,297.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    349,999.10 : 524,609.85 = 192,340.70 : x
  2. Step 2: Convert to fraction form
    349,999.10/524,609.85 = 192,340.70/x
  3. Step 3: Cross multiply
    349,999.10x = 524,609.85 × 192,340.70
  4. Step 4: Simplify right side
    349,999.10x = 100,903,825,775.90
  5. Step 5: Solve for x
    x = 100,903,825,775.90/349,999.10
  6. Step 6: Final answer
    x = 288,297.39

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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.