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Finding the Fourth Proportional to 567,161.34, 782,673.46 and 309,041.73

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Solution

The fourth proportional to 567,161.34, 782,673.46 and 309,041.73 is: 426,472.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    567,161.34 : 782,673.46 = 309,041.73 : x
  2. Step 2: Convert to fraction form
    567,161.34/782,673.46 = 309,041.73/x
  3. Step 3: Cross multiply
    567,161.34x = 782,673.46 × 309,041.73
  4. Step 4: Simplify right side
    567,161.34x = 241,878,760,103.49
  5. Step 5: Solve for x
    x = 241,878,760,103.49/567,161.34
  6. Step 6: Final answer
    x = 426,472.58

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1.5x scale

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.