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Finding the Fourth Proportional to 559,588.14, 772,229.21 and 304,939.35

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Solution

The fourth proportional to 559,588.14, 772,229.21 and 304,939.35 is: 420,814.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    559,588.14 : 772,229.21 = 304,939.35 : x
  2. Step 2: Convert to fraction form
    559,588.14/772,229.21 = 304,939.35/x
  3. Step 3: Cross multiply
    559,588.14x = 772,229.21 × 304,939.35
  4. Step 4: Simplify right side
    559,588.14x = 235,483,071,823.72
  5. Step 5: Solve for x
    x = 235,483,071,823.72/559,588.14
  6. Step 6: Final answer
    x = 420,814.98

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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.