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Finding the Fourth Proportional to 622,783.62, 859,444.02 and 350,854.77

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Solution

The fourth proportional to 622,783.62, 859,444.02 and 350,854.77 is: 484,181.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    622,783.62 : 859,444.02 = 350,854.77 : x
  2. Step 2: Convert to fraction form
    622,783.62/859,444.02 = 350,854.77/x
  3. Step 3: Cross multiply
    622,783.62x = 859,444.02 × 350,854.77
  4. Step 4: Simplify right side
    622,783.62x = 301,540,037,187.89
  5. Step 5: Solve for x
    x = 301,540,037,187.89/622,783.62
  6. Step 6: Final answer
    x = 484,181.07

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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.