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Finding the Fourth Proportional to 475,378.98, 656,028.24 and 260,514.48

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Solution

The fourth proportional to 475,378.98, 656,028.24 and 260,514.48 is: 359,512.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    475,378.98 : 656,028.24 = 260,514.48 : x
  2. Step 2: Convert to fraction form
    475,378.98/656,028.24 = 260,514.48/x
  3. Step 3: Cross multiply
    475,378.98x = 656,028.24 × 260,514.48
  4. Step 4: Simplify right side
    475,378.98x = 170,904,855,808.92
  5. Step 5: Solve for x
    x = 170,904,855,808.92/475,378.98
  6. Step 6: Final answer
    x = 359,512.86

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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.