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Finding the Fourth Proportional to 454,283.70, 626,903.06 and 250,353.51

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Solution

The fourth proportional to 454,283.70, 626,903.06 and 250,353.51 is: 345,483.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    454,283.70 : 626,903.06 = 250,353.51 : x
  2. Step 2: Convert to fraction form
    454,283.70/626,903.06 = 250,353.51/x
  3. Step 3: Cross multiply
    454,283.70x = 626,903.06 × 250,353.51
  4. Step 4: Simplify right side
    454,283.70x = 156,947,380,248.97
  5. Step 5: Solve for x
    x = 156,947,380,248.97/454,283.70
  6. Step 6: Final answer
    x = 345,483.19

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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.