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Finding the Fourth Proportional to 615,475.61, 923,260.11 and 166,189.94

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Solution

The fourth proportional to 615,475.61, 923,260.11 and 166,189.94 is: 249,297.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    615,475.61 : 923,260.11 = 166,189.94 : x
  2. Step 2: Convert to fraction form
    615,475.61/923,260.11 = 166,189.94/x
  3. Step 3: Cross multiply
    615,475.61x = 923,260.11 × 166,189.94
  4. Step 4: Simplify right side
    615,475.61x = 153,436,542,285.29
  5. Step 5: Solve for x
    x = 153,436,542,285.29/615,475.61
  6. Step 6: Final answer
    x = 249,297.52

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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.