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Finding the Fourth Proportional to 503,048.80, 754,551.60 and 170,624.80

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Solution

The fourth proportional to 503,048.80, 754,551.60 and 170,624.80 is: 255,929.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    503,048.80 : 754,551.60 = 170,624.80 : x
  2. Step 2: Convert to fraction form
    503,048.80/754,551.60 = 170,624.80/x
  3. Step 3: Cross multiply
    503,048.80x = 754,551.60 × 170,624.80
  4. Step 4: Simplify right side
    503,048.80x = 128,745,215,839.68
  5. Step 5: Solve for x
    x = 128,745,215,839.68/503,048.80
  6. Step 6: Final answer
    x = 255,929.87

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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.