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Finding the Fourth Proportional to 339,126.76, 508,782.30 and 117,528.04

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Solution

The fourth proportional to 339,126.76, 508,782.30 and 117,528.04 is: 176,324.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    339,126.76 : 508,782.30 = 117,528.04 : x
  2. Step 2: Convert to fraction form
    339,126.76/508,782.30 = 117,528.04/x
  3. Step 3: Cross multiply
    339,126.76x = 508,782.30 × 117,528.04
  4. Step 4: Simplify right side
    339,126.76x = 59,796,186,505.69
  5. Step 5: Solve for x
    x = 59,796,186,505.69/339,126.76
  6. Step 6: Final answer
    x = 176,324.00

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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.