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Finding the Fourth Proportional to 528,417.75, 792,460.13 and 173,349.03

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Solution

The fourth proportional to 528,417.75, 792,460.13 and 173,349.03 is: 259,968.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    528,417.75 : 792,460.13 = 173,349.03 : x
  2. Step 2: Convert to fraction form
    528,417.75/792,460.13 = 173,349.03/x
  3. Step 3: Cross multiply
    528,417.75x = 792,460.13 × 173,349.03
  4. Step 4: Simplify right side
    528,417.75x = 137,372,193,982.43
  5. Step 5: Solve for x
    x = 137,372,193,982.43/528,417.75
  6. Step 6: Final answer
    x = 259,968.92

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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.