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Finding the Fourth Proportional to 255,575.55, 352,695.69 and 148,209.31

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Solution

The fourth proportional to 255,575.55, 352,695.69 and 148,209.31 is: 204,529.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,575.55 : 352,695.69 = 148,209.31 : x
  2. Step 2: Convert to fraction form
    255,575.55/352,695.69 = 148,209.31/x
  3. Step 3: Cross multiply
    255,575.55x = 352,695.69 × 148,209.31
  4. Step 4: Simplify right side
    255,575.55x = 52,272,782,350.35
  5. Step 5: Solve for x
    x = 52,272,782,350.35/255,575.55
  6. Step 6: Final answer
    x = 204,529.67

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.