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Finding the Fourth Proportional to 316,576.32, 474,870.54 and 116,793.90

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Solution

The fourth proportional to 316,576.32, 474,870.54 and 116,793.90 is: 175,193.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    316,576.32 : 474,870.54 = 116,793.90 : x
  2. Step 2: Convert to fraction form
    316,576.32/474,870.54 = 116,793.90/x
  3. Step 3: Cross multiply
    316,576.32x = 474,870.54 × 116,793.90
  4. Step 4: Simplify right side
    316,576.32x = 55,461,982,361.71
  5. Step 5: Solve for x
    x = 55,461,982,361.71/316,576.32
  6. Step 6: Final answer
    x = 175,193.09

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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.