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Finding the Fourth Proportional to 615,453.68, 923,088.17 and 194,674.88

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Solution

The fourth proportional to 615,453.68, 923,088.17 and 194,674.88 is: 291,983.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    615,453.68 : 923,088.17 = 194,674.88 : x
  2. Step 2: Convert to fraction form
    615,453.68/923,088.17 = 194,674.88/x
  3. Step 3: Cross multiply
    615,453.68x = 923,088.17 × 194,674.88
  4. Step 4: Simplify right side
    615,453.68x = 179,702,073,135.35
  5. Step 5: Solve for x
    x = 179,702,073,135.35/615,453.68
  6. Step 6: Final answer
    x = 291,983.10

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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.