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Finding the Fourth Proportional to 329,549.65, 494,146.58 and 149,536.87

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Solution

The fourth proportional to 329,549.65, 494,146.58 and 149,536.87 is: 224,224.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    329,549.65 : 494,146.58 = 149,536.87 : x
  2. Step 2: Convert to fraction form
    329,549.65/494,146.58 = 149,536.87/x
  3. Step 3: Cross multiply
    329,549.65x = 494,146.58 × 149,536.87
  4. Step 4: Simplify right side
    329,549.65x = 73,893,130,911.35
  5. Step 5: Solve for x
    x = 73,893,130,911.35/329,549.65
  6. Step 6: Final answer
    x = 224,224.58

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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.