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Finding the Fourth Proportional to 615,475.11, 923,259.36 and 166,189.44

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Solution

The fourth proportional to 615,475.11, 923,259.36 and 166,189.44 is: 249,296.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    615,475.11 : 923,259.36 = 166,189.44 : x
  2. Step 2: Convert to fraction form
    615,475.11/923,259.36 = 166,189.44/x
  3. Step 3: Cross multiply
    615,475.11x = 923,259.36 × 166,189.44
  4. Step 4: Simplify right side
    615,475.11x = 153,435,950,565.91
  5. Step 5: Solve for x
    x = 153,435,950,565.91/615,475.11
  6. Step 6: Final answer
    x = 249,296.76

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1.5x scale

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.