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Finding the Fourth Proportional to 503,070.06, 754,383.63 and 266,357.37

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Solution

The fourth proportional to 503,070.06, 754,383.63 and 266,357.37 is: 399,418.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    503,070.06 : 754,383.63 = 266,357.37 : x
  2. Step 2: Convert to fraction form
    503,070.06/754,383.63 = 266,357.37/x
  3. Step 3: Cross multiply
    503,070.06x = 754,383.63 × 266,357.37
  4. Step 4: Simplify right side
    503,070.06x = 200,935,639,657.85
  5. Step 5: Solve for x
    x = 200,935,639,657.85/503,070.06
  6. Step 6: Final answer
    x = 399,418.80

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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.