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Finding the Fourth Proportional to 349,693.02, 482,575.58 and 196,731.32

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Solution

The fourth proportional to 349,693.02, 482,575.58 and 196,731.32 is: 271,488.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    349,693.02 : 482,575.58 = 196,731.32 : x
  2. Step 2: Convert to fraction form
    349,693.02/482,575.58 = 196,731.32/x
  3. Step 3: Cross multiply
    349,693.02x = 482,575.58 × 196,731.32
  4. Step 4: Simplify right side
    349,693.02x = 94,937,730,853.17
  5. Step 5: Solve for x
    x = 94,937,730,853.17/349,693.02
  6. Step 6: Final answer
    x = 271,488.78

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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.