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Finding the Fourth Proportional to 461,954, 637,496.52 and 249,986

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Solution

The fourth proportional to 461,954, 637,496.52 and 249,986 is: 344,980.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    461,954 : 637,496.52 = 249,986 : x
  2. Step 2: Convert to fraction form
    461,954/637,496.52 = 249,986/x
  3. Step 3: Cross multiply
    461,954x = 637,496.52 × 249,986
  4. Step 4: Simplify right side
    461,954x = 159,365,205,048.72
  5. Step 5: Solve for x
    x = 159,365,205,048.72/461,954
  6. Step 6: Final answer
    x = 344,980.68

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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.