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Finding the Fourth Proportional to 482,638.68, 724,103.31 and 435,030.39

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Solution

The fourth proportional to 482,638.68, 724,103.31 and 435,030.39 is: 652,676.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    482,638.68 : 724,103.31 = 435,030.39 : x
  2. Step 2: Convert to fraction form
    482,638.68/724,103.31 = 435,030.39/x
  3. Step 3: Cross multiply
    482,638.68x = 724,103.31 × 435,030.39
  4. Step 4: Simplify right side
    482,638.68x = 315,006,945,349.59
  5. Step 5: Solve for x
    x = 315,006,945,349.59/482,638.68
  6. Step 6: Final answer
    x = 652,676.54

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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.