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Finding the Fourth Proportional to 358,874.24, 537,803.55 and 199,020.48

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Solution

The fourth proportional to 358,874.24, 537,803.55 and 199,020.48 is: 298,249.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    358,874.24 : 537,803.55 = 199,020.48 : x
  2. Step 2: Convert to fraction form
    358,874.24/537,803.55 = 199,020.48/x
  3. Step 3: Cross multiply
    358,874.24x = 537,803.55 × 199,020.48
  4. Step 4: Simplify right side
    358,874.24x = 107,033,920,666.70
  5. Step 5: Solve for x
    x = 107,033,920,666.70/358,874.24
  6. Step 6: Final answer
    x = 298,249.11

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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.