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Finding the Fourth Proportional to 351,367.86, 484,669.63 and 259,393.12

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Solution

The fourth proportional to 351,367.86, 484,669.63 and 259,393.12 is: 357,801.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    351,367.86 : 484,669.63 = 259,393.12 : x
  2. Step 2: Convert to fraction form
    351,367.86/484,669.63 = 259,393.12/x
  3. Step 3: Cross multiply
    351,367.86x = 484,669.63 × 259,393.12
  4. Step 4: Simplify right side
    351,367.86x = 125,719,967,494.95
  5. Step 5: Solve for x
    x = 125,719,967,494.95/351,367.86
  6. Step 6: Final answer
    x = 357,801.56

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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.