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Finding the Fourth Proportional to 559,369.54, 771,922.98 and 304,715.26

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Solution

The fourth proportional to 559,369.54, 771,922.98 and 304,715.26 is: 420,503.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    559,369.54 : 771,922.98 = 304,715.26 : x
  2. Step 2: Convert to fraction form
    559,369.54/771,922.98 = 304,715.26/x
  3. Step 3: Cross multiply
    559,369.54x = 771,922.98 × 304,715.26
  4. Step 4: Simplify right side
    559,369.54x = 235,216,711,550.68
  5. Step 5: Solve for x
    x = 235,216,711,550.68/559,369.54
  6. Step 6: Final answer
    x = 420,503.25

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.