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Finding the Fourth Proportional to 404,701.80, 607,587.30 and 324,783.96

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Solution

The fourth proportional to 404,701.80, 607,587.30 and 324,783.96 is: 487,604.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    404,701.80 : 607,587.30 = 324,783.96 : x
  2. Step 2: Convert to fraction form
    404,701.80/607,587.30 = 324,783.96/x
  3. Step 3: Cross multiply
    404,701.80x = 607,587.30 × 324,783.96
  4. Step 4: Simplify right side
    404,701.80x = 197,334,609,339.71
  5. Step 5: Solve for x
    x = 197,334,609,339.71/404,701.80
  6. Step 6: Final answer
    x = 487,604.97

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.