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Finding the Fourth Proportional to 475,609.86, 656,324.19 and 260,745.21

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Solution

The fourth proportional to 475,609.86, 656,324.19 and 260,745.21 is: 359,818.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    475,609.86 : 656,324.19 = 260,745.21 : x
  2. Step 2: Convert to fraction form
    475,609.86/656,324.19 = 260,745.21/x
  3. Step 3: Cross multiply
    475,609.86x = 656,324.19 × 260,745.21
  4. Step 4: Simplify right side
    475,609.86x = 171,133,388,749.63
  5. Step 5: Solve for x
    x = 171,133,388,749.63/475,609.86
  6. Step 6: Final answer
    x = 359,818.84

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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.