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Finding the Fourth Proportional to 358,180.87, 494,244.75 and 242,146.87

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Solution

The fourth proportional to 358,180.87, 494,244.75 and 242,146.87 is: 334,132.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    358,180.87 : 494,244.75 = 242,146.87 : x
  2. Step 2: Convert to fraction form
    358,180.87/494,244.75 = 242,146.87/x
  3. Step 3: Cross multiply
    358,180.87x = 494,244.75 × 242,146.87
  4. Step 4: Simplify right side
    358,180.87x = 119,679,819,226.43
  5. Step 5: Solve for x
    x = 119,679,819,226.43/358,180.87
  6. Step 6: Final answer
    x = 334,132.36

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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.