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Finding the Fourth Proportional to 550,332.21, 825,580.33 and 195,316.50

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Solution

The fourth proportional to 550,332.21, 825,580.33 and 195,316.50 is: 293,003.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    550,332.21 : 825,580.33 = 195,316.50 : x
  2. Step 2: Convert to fraction form
    550,332.21/825,580.33 = 195,316.50/x
  3. Step 3: Cross multiply
    550,332.21x = 825,580.33 × 195,316.50
  4. Step 4: Simplify right side
    550,332.21x = 161,249,460,524.45
  5. Step 5: Solve for x
    x = 161,249,460,524.45/550,332.21
  6. Step 6: Final answer
    x = 293,003.86

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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.