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Finding the Fourth Proportional to 622,699.92, 859,277.16 and 350,755.92

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Solution

The fourth proportional to 622,699.92, 859,277.16 and 350,755.92 is: 484,015.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    622,699.92 : 859,277.16 = 350,755.92 : x
  2. Step 2: Convert to fraction form
    622,699.92/859,277.16 = 350,755.92/x
  3. Step 3: Cross multiply
    622,699.92x = 859,277.16 × 350,755.92
  4. Step 4: Simplify right side
    622,699.92x = 301,396,550,790.79
  5. Step 5: Solve for x
    x = 301,396,550,790.79/622,699.92
  6. Step 6: Final answer
    x = 484,015.72

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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.