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Finding the Fourth Proportional to 349,393.66, 482,247.75 and 325,754.62

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Solution

The fourth proportional to 349,393.66, 482,247.75 and 325,754.62 is: 449,620.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    349,393.66 : 482,247.75 = 325,754.62 : x
  2. Step 2: Convert to fraction form
    349,393.66/482,247.75 = 325,754.62/x
  3. Step 3: Cross multiply
    349,393.66x = 482,247.75 × 325,754.62
  4. Step 4: Simplify right side
    349,393.66x = 157,094,432,547.11
  5. Step 5: Solve for x
    x = 157,094,432,547.11/349,393.66
  6. Step 6: Final answer
    x = 449,620.16

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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.