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Finding the Fourth Proportional to 370,937.80, 555,969.30 and 193,353.40

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Solution

The fourth proportional to 370,937.80, 555,969.30 and 193,353.40 is: 289,802.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    370,937.80 : 555,969.30 = 193,353.40 : x
  2. Step 2: Convert to fraction form
    370,937.80/555,969.30 = 193,353.40/x
  3. Step 3: Cross multiply
    370,937.80x = 555,969.30 × 193,353.40
  4. Step 4: Simplify right side
    370,937.80x = 107,498,554,450.62
  5. Step 5: Solve for x
    x = 107,498,554,450.62/370,937.80
  6. Step 6: Final answer
    x = 289,802.10

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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.