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Finding the Fourth Proportional to 365,417.76, 548,189.44 and 125,520.24

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Solution

The fourth proportional to 365,417.76, 548,189.44 and 125,520.24 is: 188,301.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    365,417.76 : 548,189.44 = 125,520.24 : x
  2. Step 2: Convert to fraction form
    365,417.76/548,189.44 = 125,520.24/x
  3. Step 3: Cross multiply
    365,417.76x = 548,189.44 × 125,520.24
  4. Step 4: Simplify right side
    365,417.76x = 68,808,870,074.27
  5. Step 5: Solve for x
    x = 68,808,870,074.27/365,417.76
  6. Step 6: Final answer
    x = 188,301.93

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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.