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Finding the Fourth Proportional to 1,145,174, 1,580,388.84 and 635,876

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Solution

The fourth proportional to 1,145,174, 1,580,388.84 and 635,876 is: 877,535.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,145,174 : 1,580,388.84 = 635,876 : x
  2. Step 2: Convert to fraction form
    1,145,174/1,580,388.84 = 635,876/x
  3. Step 3: Cross multiply
    1,145,174x = 1,580,388.84 × 635,876
  4. Step 4: Simplify right side
    1,145,174x = 1,004,931,334,023.84
  5. Step 5: Solve for x
    x = 1,004,931,334,023.84/1,145,174
  6. Step 6: Final answer
    x = 877,535.93

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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.