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Finding the Fourth Proportional to 528,098.70, 792,342.45 and 173,124.30

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Solution

The fourth proportional to 528,098.70, 792,342.45 and 173,124.30 is: 259,750.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    528,098.70 : 792,342.45 = 173,124.30 : x
  2. Step 2: Convert to fraction form
    528,098.70/792,342.45 = 173,124.30/x
  3. Step 3: Cross multiply
    528,098.70x = 792,342.45 × 173,124.30
  4. Step 4: Simplify right side
    528,098.70x = 137,173,732,016.54
  5. Step 5: Solve for x
    x = 137,173,732,016.54/528,098.70
  6. Step 6: Final answer
    x = 259,750.18

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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.