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Finding the Fourth Proportional to 415,596.22, 573,900.69 and 313,446.92

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Solution

The fourth proportional to 415,596.22, 573,900.69 and 313,446.92 is: 432,841.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    415,596.22 : 573,900.69 = 313,446.92 : x
  2. Step 2: Convert to fraction form
    415,596.22/573,900.69 = 313,446.92/x
  3. Step 3: Cross multiply
    415,596.22x = 573,900.69 × 313,446.92
  4. Step 4: Simplify right side
    415,596.22x = 179,887,401,972.30
  5. Step 5: Solve for x
    x = 179,887,401,972.30/415,596.22
  6. Step 6: Final answer
    x = 432,841.77

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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.