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Finding the Fourth Proportional to 622,625.54, 859,224.51 and 364,455.86

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Solution

The fourth proportional to 622,625.54, 859,224.51 and 364,455.86 is: 502,949.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    622,625.54 : 859,224.51 = 364,455.86 : x
  2. Step 2: Convert to fraction form
    622,625.54/859,224.51 = 364,455.86/x
  3. Step 3: Cross multiply
    622,625.54x = 859,224.51 × 364,455.86
  4. Step 4: Simplify right side
    622,625.54x = 313,149,403,429.01
  5. Step 5: Solve for x
    x = 313,149,403,429.01/622,625.54
  6. Step 6: Final answer
    x = 502,949.82

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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.