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Finding the Fourth Proportional to 379,207.44, 566,349.84 and 343,598.22

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Solution

The fourth proportional to 379,207.44, 566,349.84 and 343,598.22 is: 513,167.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    379,207.44 : 566,349.84 = 343,598.22 : x
  2. Step 2: Convert to fraction form
    379,207.44/566,349.84 = 343,598.22/x
  3. Step 3: Cross multiply
    379,207.44x = 566,349.84 × 343,598.22
  4. Step 4: Simplify right side
    379,207.44x = 194,596,796,921.29
  5. Step 5: Solve for x
    x = 194,596,796,921.29/379,207.44
  6. Step 6: Final answer
    x = 513,167.14

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1.5x scale

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.