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Finding the Fourth Proportional to 615,950.10, 923,957.73 and 195,258.78

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Solution

The fourth proportional to 615,950.10, 923,957.73 and 195,258.78 is: 292,898.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    615,950.10 : 923,957.73 = 195,258.78 : x
  2. Step 2: Convert to fraction form
    615,950.10/923,957.73 = 195,258.78/x
  3. Step 3: Cross multiply
    615,950.10x = 923,957.73 × 195,258.78
  4. Step 4: Simplify right side
    615,950.10x = 180,410,859,131.37
  5. Step 5: Solve for x
    x = 180,410,859,131.37/615,950.10
  6. Step 6: Final answer
    x = 292,898.50

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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.