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Finding the Fourth Proportional to 460,969.50, 636,137.91 and 249,001.50

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Solution

The fourth proportional to 460,969.50, 636,137.91 and 249,001.50 is: 343,622.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    460,969.50 : 636,137.91 = 249,001.50 : x
  2. Step 2: Convert to fraction form
    460,969.50/636,137.91 = 249,001.50/x
  3. Step 3: Cross multiply
    460,969.50x = 636,137.91 × 249,001.50
  4. Step 4: Simplify right side
    460,969.50x = 158,399,293,796.87
  5. Step 5: Solve for x
    x = 158,399,293,796.87/460,969.50
  6. Step 6: Final answer
    x = 343,622.07

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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.