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Finding the Fourth Proportional to 615,970.86, 923,989.41 and 195,279.54

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Solution

The fourth proportional to 615,970.86, 923,989.41 and 195,279.54 is: 292,929.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    615,970.86 : 923,989.41 = 195,279.54 : x
  2. Step 2: Convert to fraction form
    615,970.86/923,989.41 = 195,279.54/x
  3. Step 3: Cross multiply
    615,970.86x = 923,989.41 × 195,279.54
  4. Step 4: Simplify right side
    615,970.86x = 180,436,226,949.67
  5. Step 5: Solve for x
    x = 180,436,226,949.67/615,970.86
  6. Step 6: Final answer
    x = 292,929.81

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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.