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Finding the Fourth Proportional to 559,620.37, 772,253.58 and 304,966.09

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Solution

The fourth proportional to 559,620.37, 772,253.58 and 304,966.09 is: 420,840.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    559,620.37 : 772,253.58 = 304,966.09 : x
  2. Step 2: Convert to fraction form
    559,620.37/772,253.58 = 304,966.09/x
  3. Step 3: Cross multiply
    559,620.37x = 772,253.58 × 304,966.09
  4. Step 4: Simplify right side
    559,620.37x = 235,511,154,781.10
  5. Step 5: Solve for x
    x = 235,511,154,781.10/559,620.37
  6. Step 6: Final answer
    x = 420,840.93

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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.