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Finding the Fourth Proportional to 615,675.30, 923,605.30 and 216,245.68

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Solution

The fourth proportional to 615,675.30, 923,605.30 and 216,245.68 is: 324,400.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    615,675.30 : 923,605.30 = 216,245.68 : x
  2. Step 2: Convert to fraction form
    615,675.30/923,605.30 = 216,245.68/x
  3. Step 3: Cross multiply
    615,675.30x = 923,605.30 × 216,245.68
  4. Step 4: Simplify right side
    615,675.30x = 199,725,656,150.10
  5. Step 5: Solve for x
    x = 199,725,656,150.10/615,675.30
  6. Step 6: Final answer
    x = 324,400.96

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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.