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Finding the Fourth Proportional to 1,835,902.37, 2,532,489.78 and 1,146,377.12

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Solution

The fourth proportional to 1,835,902.37, 2,532,489.78 and 1,146,377.12 is: 1,581,341.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,835,902.37 : 2,532,489.78 = 1,146,377.12 : x
  2. Step 2: Convert to fraction form
    1,835,902.37/2,532,489.78 = 1,146,377.12/x
  3. Step 3: Cross multiply
    1,835,902.37x = 2,532,489.78 × 1,146,377.12
  4. Step 4: Simplify right side
    1,835,902.37x = 2,903,188,327,763.38
  5. Step 5: Solve for x
    x = 2,903,188,327,763.38/1,835,902.37
  6. Step 6: Final answer
    x = 1,581,341.35

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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.