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Finding the Fourth Proportional to 615,512.85, 923,371.35 and 216,050.01

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Solution

The fourth proportional to 615,512.85, 923,371.35 and 216,050.01 is: 324,110.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    615,512.85 : 923,371.35 = 216,050.01 : x
  2. Step 2: Convert to fraction form
    615,512.85/923,371.35 = 216,050.01/x
  3. Step 3: Cross multiply
    615,512.85x = 923,371.35 × 216,050.01
  4. Step 4: Simplify right side
    615,512.85x = 199,494,389,401.21
  5. Step 5: Solve for x
    x = 199,494,389,401.21/615,512.85
  6. Step 6: Final answer
    x = 324,110.84

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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.