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Finding the Fourth Proportional to 615,649.96, 923,617.20 and 194,925.84

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Solution

The fourth proportional to 615,649.96, 923,617.20 and 194,925.84 is: 292,433.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    615,649.96 : 923,617.20 = 194,925.84 : x
  2. Step 2: Convert to fraction form
    615,649.96/923,617.20 = 194,925.84/x
  3. Step 3: Cross multiply
    615,649.96x = 923,617.20 × 194,925.84
  4. Step 4: Simplify right side
    615,649.96x = 180,036,858,548.45
  5. Step 5: Solve for x
    x = 180,036,858,548.45/615,649.96
  6. Step 6: Final answer
    x = 292,433.80

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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.