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Finding the Fourth Proportional to 2,855,642.95, 4,283,479 and 962,400.79

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Solution

The fourth proportional to 2,855,642.95, 4,283,479 and 962,400.79 is: 1,443,606.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,855,642.95 : 4,283,479 = 962,400.79 : x
  2. Step 2: Convert to fraction form
    2,855,642.95/4,283,479 = 962,400.79/x
  3. Step 3: Cross multiply
    2,855,642.95x = 4,283,479 × 962,400.79
  4. Step 4: Simplify right side
    2,855,642.95x = 4,122,423,552,131.02
  5. Step 5: Solve for x
    x = 4,122,423,552,131.02/2,855,642.95
  6. Step 6: Final answer
    x = 1,443,606.09

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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.