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Finding the Fourth Proportional to 370,240.04, 555,245.04 and 133,551.96

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Solution

The fourth proportional to 370,240.04, 555,245.04 and 133,551.96 is: 200,286.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    370,240.04 : 555,245.04 = 133,551.96 : x
  2. Step 2: Convert to fraction form
    370,240.04/555,245.04 = 133,551.96/x
  3. Step 3: Cross multiply
    370,240.04x = 555,245.04 × 133,551.96
  4. Step 4: Simplify right side
    370,240.04x = 74,154,063,372.28
  5. Step 5: Solve for x
    x = 74,154,063,372.28/370,240.04
  6. Step 6: Final answer
    x = 200,286.45

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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.