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Finding the Fourth Proportional to 544,308.60, 816,504.12 and 144,947.76

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Solution

The fourth proportional to 544,308.60, 816,504.12 and 144,947.76 is: 217,432.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    544,308.60 : 816,504.12 = 144,947.76 : x
  2. Step 2: Convert to fraction form
    544,308.60/816,504.12 = 144,947.76/x
  3. Step 3: Cross multiply
    544,308.60x = 816,504.12 × 144,947.76
  4. Step 4: Simplify right side
    544,308.60x = 118,350,443,224.77
  5. Step 5: Solve for x
    x = 118,350,443,224.77/544,308.60
  6. Step 6: Final answer
    x = 217,432.62

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.