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Finding the Fourth Proportional to 474,276.91, 711,362.96 and 119,291.07

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Solution

The fourth proportional to 474,276.91, 711,362.96 and 119,291.07 is: 178,923.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    474,276.91 : 711,362.96 = 119,291.07 : x
  2. Step 2: Convert to fraction form
    474,276.91/711,362.96 = 119,291.07/x
  3. Step 3: Cross multiply
    474,276.91x = 711,362.96 × 119,291.07
  4. Step 4: Simplify right side
    474,276.91x = 84,859,248,656.77
  5. Step 5: Solve for x
    x = 84,859,248,656.77/474,276.91
  6. Step 6: Final answer
    x = 178,923.42

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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.