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Finding the Fourth Proportional to 637,676.91, 880,033.91 and 351,196.92

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Solution

The fourth proportional to 637,676.91, 880,033.91 and 351,196.92 is: 484,673.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    637,676.91 : 880,033.91 = 351,196.92 : x
  2. Step 2: Convert to fraction form
    637,676.91/880,033.91 = 351,196.92/x
  3. Step 3: Cross multiply
    637,676.91x = 880,033.91 × 351,196.92
  4. Step 4: Simplify right side
    637,676.91x = 309,065,196,931.57
  5. Step 5: Solve for x
    x = 309,065,196,931.57/637,676.91
  6. Step 6: Final answer
    x = 484,673.65

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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.