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Finding the Fourth Proportional to 632,048.01, 872,227.83 and 345,586.59

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Solution

The fourth proportional to 632,048.01, 872,227.83 and 345,586.59 is: 476,910.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    632,048.01 : 872,227.83 = 345,586.59 : x
  2. Step 2: Convert to fraction form
    632,048.01/872,227.83 = 345,586.59/x
  3. Step 3: Cross multiply
    632,048.01x = 872,227.83 × 345,586.59
  4. Step 4: Simplify right side
    632,048.01x = 301,430,241,472.80
  5. Step 5: Solve for x
    x = 301,430,241,472.80/632,048.01
  6. Step 6: Final answer
    x = 476,910.36

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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.