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Finding the Fourth Proportional to 504,047.80, 756,417.30 and 223,766.20

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Solution

The fourth proportional to 504,047.80, 756,417.30 and 223,766.20 is: 335,802.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    504,047.80 : 756,417.30 = 223,766.20 : x
  2. Step 2: Convert to fraction form
    504,047.80/756,417.30 = 223,766.20/x
  3. Step 3: Cross multiply
    504,047.80x = 756,417.30 × 223,766.20
  4. Step 4: Simplify right side
    504,047.80x = 169,260,624,835.26
  5. Step 5: Solve for x
    x = 169,260,624,835.26/504,047.80
  6. Step 6: Final answer
    x = 335,802.73

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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.