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Finding the Fourth Proportional to 551,375.70, 826,626.15 and 302,057.70

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Solution

The fourth proportional to 551,375.70, 826,626.15 and 302,057.70 is: 452,846.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    551,375.70 : 826,626.15 = 302,057.70 : x
  2. Step 2: Convert to fraction form
    551,375.70/826,626.15 = 302,057.70/x
  3. Step 3: Cross multiply
    551,375.70x = 826,626.15 × 302,057.70
  4. Step 4: Simplify right side
    551,375.70x = 249,688,793,628.86
  5. Step 5: Solve for x
    x = 249,688,793,628.86/551,375.70
  6. Step 6: Final answer
    x = 452,846.93

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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.