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Finding the Fourth Proportional to 474,119.08, 711,159.58 and 261,308.86

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Solution

The fourth proportional to 474,119.08, 711,159.58 and 261,308.86 is: 391,952.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    474,119.08 : 711,159.58 = 261,308.86 : x
  2. Step 2: Convert to fraction form
    474,119.08/711,159.58 = 261,308.86/x
  3. Step 3: Cross multiply
    474,119.08x = 711,159.58 × 261,308.86
  4. Step 4: Simplify right side
    474,119.08x = 185,832,299,127.88
  5. Step 5: Solve for x
    x = 185,832,299,127.88/474,119.08
  6. Step 6: Final answer
    x = 391,952.80

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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.