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Finding the Fourth Proportional to 376,701.99, 519,985.22 and 249,418.59

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Solution

The fourth proportional to 376,701.99, 519,985.22 and 249,418.59 is: 344,288.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    376,701.99 : 519,985.22 = 249,418.59 : x
  2. Step 2: Convert to fraction form
    376,701.99/519,985.22 = 249,418.59/x
  3. Step 3: Cross multiply
    376,701.99x = 519,985.22 × 249,418.59
  4. Step 4: Simplify right side
    376,701.99x = 129,693,979,146.15
  5. Step 5: Solve for x
    x = 129,693,979,146.15/376,701.99
  6. Step 6: Final answer
    x = 344,288.01

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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.