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Finding the Fourth Proportional to 632,030.38, 872,201.94 and 345,550.48

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Solution

The fourth proportional to 632,030.38, 872,201.94 and 345,550.48 is: 476,859.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    632,030.38 : 872,201.94 = 345,550.48 : x
  2. Step 2: Convert to fraction form
    632,030.38/872,201.94 = 345,550.48/x
  3. Step 3: Cross multiply
    632,030.38x = 872,201.94 × 345,550.48
  4. Step 4: Simplify right side
    632,030.38x = 301,389,799,023.93
  5. Step 5: Solve for x
    x = 301,389,799,023.93/632,030.38
  6. Step 6: Final answer
    x = 476,859.67

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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.