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Finding the Fourth Proportional to 379,164.64, 566,288.70 and 343,554.88

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Solution

The fourth proportional to 379,164.64, 566,288.70 and 343,554.88 is: 513,104.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    379,164.64 : 566,288.70 = 343,554.88 : x
  2. Step 2: Convert to fraction form
    379,164.64/566,288.70 = 343,554.88/x
  3. Step 3: Cross multiply
    379,164.64x = 566,288.70 × 343,554.88
  4. Step 4: Simplify right side
    379,164.64x = 194,551,246,373.86
  5. Step 5: Solve for x
    x = 194,551,246,373.86/379,164.64
  6. Step 6: Final answer
    x = 513,104.93

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.