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Finding the Fourth Proportional to 559,168.33, 771,660.54 and 304,518.91

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Solution

The fourth proportional to 559,168.33, 771,660.54 and 304,518.91 is: 420,240.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    559,168.33 : 771,660.54 = 304,518.91 : x
  2. Step 2: Convert to fraction form
    559,168.33/771,660.54 = 304,518.91/x
  3. Step 3: Cross multiply
    559,168.33x = 771,660.54 × 304,518.91
  4. Step 4: Simplify right side
    559,168.33x = 234,985,226,530.81
  5. Step 5: Solve for x
    x = 234,985,226,530.81/559,168.33
  6. Step 6: Final answer
    x = 420,240.59

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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.