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Finding the Fourth Proportional to 451,957.41, 623,674.35 and 258,386.04

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Solution

The fourth proportional to 451,957.41, 623,674.35 and 258,386.04 is: 356,557.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    451,957.41 : 623,674.35 = 258,386.04 : x
  2. Step 2: Convert to fraction form
    451,957.41/623,674.35 = 258,386.04/x
  3. Step 3: Cross multiply
    451,957.41x = 623,674.35 × 258,386.04
  4. Step 4: Simplify right side
    451,957.41x = 161,148,745,546.07
  5. Step 5: Solve for x
    x = 161,148,745,546.07/451,957.41
  6. Step 6: Final answer
    x = 356,557.37

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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.