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Finding the Fourth Proportional to 559,431.94, 772,071.82 and 341,628.60

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Solution

The fourth proportional to 559,431.94, 772,071.82 and 341,628.60 is: 471,481.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    559,431.94 : 772,071.82 = 341,628.60 : x
  2. Step 2: Convert to fraction form
    559,431.94/772,071.82 = 341,628.60/x
  3. Step 3: Cross multiply
    559,431.94x = 772,071.82 × 341,628.60
  4. Step 4: Simplify right side
    559,431.94x = 263,761,814,966.05
  5. Step 5: Solve for x
    x = 263,761,814,966.05/559,431.94
  6. Step 6: Final answer
    x = 471,481.51

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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.