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Finding the Fourth Proportional to 474,278.66, 711,365.58 and 119,292.82

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Solution

The fourth proportional to 474,278.66, 711,365.58 and 119,292.82 is: 178,926.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    474,278.66 : 711,365.58 = 119,292.82 : x
  2. Step 2: Convert to fraction form
    474,278.66/711,365.58 = 119,292.82/x
  3. Step 3: Cross multiply
    474,278.66x = 711,365.58 × 119,292.82
  4. Step 4: Simplify right side
    474,278.66x = 84,860,806,089.14
  5. Step 5: Solve for x
    x = 84,860,806,089.14/474,278.66
  6. Step 6: Final answer
    x = 178,926.05

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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.