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Finding the Fourth Proportional to 1,020,889, 1,532,034.78 and 356,041

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Solution

The fourth proportional to 1,020,889, 1,532,034.78 and 356,041 is: 534,306.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,020,889 : 1,532,034.78 = 356,041 : x
  2. Step 2: Convert to fraction form
    1,020,889/1,532,034.78 = 356,041/x
  3. Step 3: Cross multiply
    1,020,889x = 1,532,034.78 × 356,041
  4. Step 4: Simplify right side
    1,020,889x = 545,467,195,105.98
  5. Step 5: Solve for x
    x = 545,467,195,105.98/1,020,889
  6. Step 6: Final answer
    x = 534,306.08

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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.