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Finding the Fourth Proportional to 632,004.88, 872,187.60 and 345,532.72

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Solution

The fourth proportional to 632,004.88, 872,187.60 and 345,532.72 is: 476,846.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    632,004.88 : 872,187.60 = 345,532.72 : x
  2. Step 2: Convert to fraction form
    632,004.88/872,187.60 = 345,532.72/x
  3. Step 3: Cross multiply
    632,004.88x = 872,187.60 × 345,532.72
  4. Step 4: Simplify right side
    632,004.88x = 301,369,353,778.27
  5. Step 5: Solve for x
    x = 301,369,353,778.27/632,004.88
  6. Step 6: Final answer
    x = 476,846.56

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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.