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Finding the Fourth Proportional to 2,916,664.29, 4,375,676.88 and 997,590.42

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Solution

The fourth proportional to 2,916,664.29, 4,375,676.88 and 997,590.42 is: 1,496,618.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,916,664.29 : 4,375,676.88 = 997,590.42 : x
  2. Step 2: Convert to fraction form
    2,916,664.29/4,375,676.88 = 997,590.42/x
  3. Step 3: Cross multiply
    2,916,664.29x = 4,375,676.88 × 997,590.42
  4. Step 4: Simplify right side
    2,916,664.29x = 4,365,133,336,503.49
  5. Step 5: Solve for x
    x = 4,365,133,336,503.49/2,916,664.29
  6. Step 6: Final answer
    x = 1,496,618.36

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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.