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Finding the Fourth Proportional to 615,677.30, 923,608.30 and 216,247.68

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Solution

The fourth proportional to 615,677.30, 923,608.30 and 216,247.68 is: 324,403.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    615,677.30 : 923,608.30 = 216,247.68 : x
  2. Step 2: Convert to fraction form
    615,677.30/923,608.30 = 216,247.68/x
  3. Step 3: Cross multiply
    615,677.30x = 923,608.30 × 216,247.68
  4. Step 4: Simplify right side
    615,677.30x = 199,728,152,103.74
  5. Step 5: Solve for x
    x = 199,728,152,103.74/615,677.30
  6. Step 6: Final answer
    x = 324,403.96

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1.5x scale

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.