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Finding the Fourth Proportional to 430,787.52, 594,553.62 and 258,801.22

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Solution

The fourth proportional to 430,787.52, 594,553.62 and 258,801.22 is: 357,185.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    430,787.52 : 594,553.62 = 258,801.22 : x
  2. Step 2: Convert to fraction form
    430,787.52/594,553.62 = 258,801.22/x
  3. Step 3: Cross multiply
    430,787.52x = 594,553.62 × 258,801.22
  4. Step 4: Simplify right side
    430,787.52x = 153,871,202,211.42
  5. Step 5: Solve for x
    x = 153,871,202,211.42/430,787.52
  6. Step 6: Final answer
    x = 357,185.84

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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.