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Finding the Fourth Proportional to 415,859.46, 573,889.49 and 229,596.93

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Solution

The fourth proportional to 415,859.46, 573,889.49 and 229,596.93 is: 316,845.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    415,859.46 : 573,889.49 = 229,596.93 : x
  2. Step 2: Convert to fraction form
    415,859.46/573,889.49 = 229,596.93/x
  3. Step 3: Cross multiply
    415,859.46x = 573,889.49 × 229,596.93
  4. Step 4: Simplify right side
    415,859.46x = 131,763,265,063.27
  5. Step 5: Solve for x
    x = 131,763,265,063.27/415,859.46
  6. Step 6: Final answer
    x = 316,845.66

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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.