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Finding the Fourth Proportional to 559,801.73, 772,525.22 and 314,787.33

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Solution

The fourth proportional to 559,801.73, 772,525.22 and 314,787.33 is: 434,405.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    559,801.73 : 772,525.22 = 314,787.33 : x
  2. Step 2: Convert to fraction form
    559,801.73/772,525.22 = 314,787.33/x
  3. Step 3: Cross multiply
    559,801.73x = 772,525.22 × 314,787.33
  4. Step 4: Simplify right side
    559,801.73x = 243,181,149,787.53
  5. Step 5: Solve for x
    x = 243,181,149,787.53/559,801.73
  6. Step 6: Final answer
    x = 434,405.85

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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.