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Finding the Fourth Proportional to 535,736.70, 803,605.05 and 417,496.50

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Solution

The fourth proportional to 535,736.70, 803,605.05 and 417,496.50 is: 626,244.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    535,736.70 : 803,605.05 = 417,496.50 : x
  2. Step 2: Convert to fraction form
    535,736.70/803,605.05 = 417,496.50/x
  3. Step 3: Cross multiply
    535,736.70x = 803,605.05 × 417,496.50
  4. Step 4: Simplify right side
    535,736.70x = 335,502,295,757.33
  5. Step 5: Solve for x
    x = 335,502,295,757.33/535,736.70
  6. Step 6: Final answer
    x = 626,244.75

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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.