Home / 352,004.20-528,006.30-349,930.60

Finding the Fourth Proportional to 352,004.20, 528,006.30 and 349,930.60

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Solution

The fourth proportional to 352,004.20, 528,006.30 and 349,930.60 is: 524,895.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    352,004.20 : 528,006.30 = 349,930.60 : x
  2. Step 2: Convert to fraction form
    352,004.20/528,006.30 = 349,930.60/x
  3. Step 3: Cross multiply
    352,004.20x = 528,006.30 × 349,930.60
  4. Step 4: Simplify right side
    352,004.20x = 184,765,561,362.78
  5. Step 5: Solve for x
    x = 184,765,561,362.78/352,004.20
  6. Step 6: Final answer
    x = 524,895.90

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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.