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Finding the Fourth Proportional to 358,184.88, 494,279.55 and 197,029.71

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Solution

The fourth proportional to 358,184.88, 494,279.55 and 197,029.71 is: 271,892.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    358,184.88 : 494,279.55 = 197,029.71 : x
  2. Step 2: Convert to fraction form
    358,184.88/494,279.55 = 197,029.71/x
  3. Step 3: Cross multiply
    358,184.88x = 494,279.55 × 197,029.71
  4. Step 4: Simplify right side
    358,184.88x = 97,387,756,395.43
  5. Step 5: Solve for x
    x = 97,387,756,395.43/358,184.88
  6. Step 6: Final answer
    x = 271,892.43

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1.5x scale

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.