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Finding the Fourth Proportional to 474,612.62, 711,900.50 and 174,963.58

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Solution

The fourth proportional to 474,612.62, 711,900.50 and 174,963.58 is: 262,438.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    474,612.62 : 711,900.50 = 174,963.58 : x
  2. Step 2: Convert to fraction form
    474,612.62/711,900.50 = 174,963.58/x
  3. Step 3: Cross multiply
    474,612.62x = 711,900.50 × 174,963.58
  4. Step 4: Simplify right side
    474,612.62x = 124,556,657,429.22
  5. Step 5: Solve for x
    x = 124,556,657,429.22/474,612.62
  6. Step 6: Final answer
    x = 262,438.57

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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.