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Finding the Fourth Proportional to 370,658.70, 556,057.59 and 168,268.98

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Solution

The fourth proportional to 370,658.70, 556,057.59 and 168,268.98 is: 252,435.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    370,658.70 : 556,057.59 = 168,268.98 : x
  2. Step 2: Convert to fraction form
    370,658.70/556,057.59 = 168,268.98/x
  3. Step 3: Cross multiply
    370,658.70x = 556,057.59 × 168,268.98
  4. Step 4: Simplify right side
    370,658.70x = 93,567,243,490.56
  5. Step 5: Solve for x
    x = 93,567,243,490.56/370,658.70
  6. Step 6: Final answer
    x = 252,435.04

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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.