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Finding the Fourth Proportional to 379,162.64, 566,285.72 and 343,552.88

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Solution

The fourth proportional to 379,162.64, 566,285.72 and 343,552.88 is: 513,101.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    379,162.64 : 566,285.72 = 343,552.88 : x
  2. Step 2: Convert to fraction form
    379,162.64/566,285.72 = 343,552.88/x
  3. Step 3: Cross multiply
    379,162.64x = 566,285.72 × 343,552.88
  4. Step 4: Simplify right side
    379,162.64x = 194,549,090,008.87
  5. Step 5: Solve for x
    x = 194,549,090,008.87/379,162.64
  6. Step 6: Final answer
    x = 513,101.95

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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.