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Finding the Fourth Proportional to 335,343.68, 504,031.74 and 221,878.52

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Solution

The fourth proportional to 335,343.68, 504,031.74 and 221,878.52 is: 333,490.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    335,343.68 : 504,031.74 = 221,878.52 : x
  2. Step 2: Convert to fraction form
    335,343.68/504,031.74 = 221,878.52/x
  3. Step 3: Cross multiply
    335,343.68x = 504,031.74 × 221,878.52
  4. Step 4: Simplify right side
    335,343.68x = 111,833,816,504.23
  5. Step 5: Solve for x
    x = 111,833,816,504.23/335,343.68
  6. Step 6: Final answer
    x = 333,490.16

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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.