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Finding the Fourth Proportional to 287,903.44, 397,101.04 and 249,594.48

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Solution

The fourth proportional to 287,903.44, 397,101.04 and 249,594.48 is: 344,262.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    287,903.44 : 397,101.04 = 249,594.48 : x
  2. Step 2: Convert to fraction form
    287,903.44/397,101.04 = 249,594.48/x
  3. Step 3: Cross multiply
    287,903.44x = 397,101.04 × 249,594.48
  4. Step 4: Simplify right side
    287,903.44x = 99,114,227,586.26
  5. Step 5: Solve for x
    x = 99,114,227,586.26/287,903.44
  6. Step 6: Final answer
    x = 344,262.05

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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.