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Finding the Fourth Proportional to 353,109.60, 528,789.60 and 226,555.20

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Solution

The fourth proportional to 353,109.60, 528,789.60 and 226,555.20 is: 339,271.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    353,109.60 : 528,789.60 = 226,555.20 : x
  2. Step 2: Convert to fraction form
    353,109.60/528,789.60 = 226,555.20/x
  3. Step 3: Cross multiply
    353,109.60x = 528,789.60 × 226,555.20
  4. Step 4: Simplify right side
    353,109.60x = 119,800,033,585.92
  5. Step 5: Solve for x
    x = 119,800,033,585.92/353,109.60
  6. Step 6: Final answer
    x = 339,271.53

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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.