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Finding the Fourth Proportional to 358,143.90, 537,500.97 and 200,342.94

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Solution

The fourth proportional to 358,143.90, 537,500.97 and 200,342.94 is: 300,673.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    358,143.90 : 537,500.97 = 200,342.94 : x
  2. Step 2: Convert to fraction form
    358,143.90/537,500.97 = 200,342.94/x
  3. Step 3: Cross multiply
    358,143.90x = 537,500.97 × 200,342.94
  4. Step 4: Simplify right side
    358,143.90x = 107,684,524,582.65
  5. Step 5: Solve for x
    x = 107,684,524,582.65/358,143.90
  6. Step 6: Final answer
    x = 300,673.90

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.