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Finding the Fourth Proportional to 503,530.10, 755,287.74 and 124,450.88

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Solution

The fourth proportional to 503,530.10, 755,287.74 and 124,450.88 is: 186,674.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    503,530.10 : 755,287.74 = 124,450.88 : x
  2. Step 2: Convert to fraction form
    503,530.10/755,287.74 = 124,450.88/x
  3. Step 3: Cross multiply
    503,530.10x = 755,287.74 × 124,450.88
  4. Step 4: Simplify right side
    503,530.10x = 93,996,223,896.21
  5. Step 5: Solve for x
    x = 93,996,223,896.21/503,530.10
  6. Step 6: Final answer
    x = 186,674.49

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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.