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Finding the Fourth Proportional to 637,724.56, 956,641.92 and 164,405.92

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Solution

The fourth proportional to 637,724.56, 956,641.92 and 164,405.92 is: 246,623.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    637,724.56 : 956,641.92 = 164,405.92 : x
  2. Step 2: Convert to fraction form
    637,724.56/956,641.92 = 164,405.92/x
  3. Step 3: Cross multiply
    637,724.56x = 956,641.92 × 164,405.92
  4. Step 4: Simplify right side
    637,724.56x = 157,277,594,968.17
  5. Step 5: Solve for x
    x = 157,277,594,968.17/637,724.56
  6. Step 6: Final answer
    x = 246,623.08

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.