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Finding the Fourth Proportional to 615,829.78, 923,744.72 and 183,553.94

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Solution

The fourth proportional to 615,829.78, 923,744.72 and 183,553.94 is: 275,330.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    615,829.78 : 923,744.72 = 183,553.94 : x
  2. Step 2: Convert to fraction form
    615,829.78/923,744.72 = 183,553.94/x
  3. Step 3: Cross multiply
    615,829.78x = 923,744.72 × 183,553.94
  4. Step 4: Simplify right side
    615,829.78x = 169,556,980,544.82
  5. Step 5: Solve for x
    x = 169,556,980,544.82/615,829.78
  6. Step 6: Final answer
    x = 275,330.92

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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.