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Finding the Fourth Proportional to 615,884.67, 923,852.93 and 300,606.75

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Solution

The fourth proportional to 615,884.67, 923,852.93 and 300,606.75 is: 450,922.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    615,884.67 : 923,852.93 = 300,606.75 : x
  2. Step 2: Convert to fraction form
    615,884.67/923,852.93 = 300,606.75/x
  3. Step 3: Cross multiply
    615,884.67x = 923,852.93 × 300,606.75
  4. Step 4: Simplify right side
    615,884.67x = 277,716,425,262.24
  5. Step 5: Solve for x
    x = 277,716,425,262.24/615,884.67
  6. Step 6: Final answer
    x = 450,922.78

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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.