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Finding the Fourth Proportional to 358,880.61, 537,813.11 and 199,026.86

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Solution

The fourth proportional to 358,880.61, 537,813.11 and 199,026.86 is: 298,258.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    358,880.61 : 537,813.11 = 199,026.86 : x
  2. Step 2: Convert to fraction form
    358,880.61/537,813.11 = 199,026.86/x
  3. Step 3: Cross multiply
    358,880.61x = 537,813.11 × 199,026.86
  4. Step 4: Simplify right side
    358,880.61x = 107,039,256,392.24
  5. Step 5: Solve for x
    x = 107,039,256,392.24/358,880.61
  6. Step 6: Final answer
    x = 298,258.68

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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.