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Finding the Fourth Proportional to 1,253,545, 1,881,064.68 and 454,888.88

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Solution

The fourth proportional to 1,253,545, 1,881,064.68 and 454,888.88 is: 682,604.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,253,545 : 1,881,064.68 = 454,888.88 : x
  2. Step 2: Convert to fraction form
    1,253,545/1,881,064.68 = 454,888.88/x
  3. Step 3: Cross multiply
    1,253,545x = 1,881,064.68 × 454,888.88
  4. Step 4: Simplify right side
    1,253,545x = 855,675,405,492.76
  5. Step 5: Solve for x
    x = 855,675,405,492.76/1,253,545
  6. Step 6: Final answer
    x = 682,604.46

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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.