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Finding the Fourth Proportional to 612,035.10, 917,793.45 and 296,588.70

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Solution

The fourth proportional to 612,035.10, 917,793.45 and 296,588.70 is: 444,757.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    612,035.10 : 917,793.45 = 296,588.70 : x
  2. Step 2: Convert to fraction form
    612,035.10/917,793.45 = 296,588.70/x
  3. Step 3: Cross multiply
    612,035.10x = 917,793.45 × 296,588.70
  4. Step 4: Simplify right side
    612,035.10x = 272,207,166,204.02
  5. Step 5: Solve for x
    x = 272,207,166,204.02/612,035.10
  6. Step 6: Final answer
    x = 444,757.44

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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.