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Finding the Fourth Proportional to 606,540.35, 909,713.90 and 201,698.84

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Solution

The fourth proportional to 606,540.35, 909,713.90 and 201,698.84 is: 302,516.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    606,540.35 : 909,713.90 = 201,698.84 : x
  2. Step 2: Convert to fraction form
    606,540.35/909,713.90 = 201,698.84/x
  3. Step 3: Cross multiply
    606,540.35x = 909,713.90 × 201,698.84
  4. Step 4: Simplify right side
    606,540.35x = 183,488,241,140.41
  5. Step 5: Solve for x
    x = 183,488,241,140.41/606,540.35
  6. Step 6: Final answer
    x = 302,516.13

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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.