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Finding the Fourth Proportional to 528,182.93, 792,331.48 and 168,268.89

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Solution

The fourth proportional to 528,182.93, 792,331.48 and 168,268.89 is: 252,421.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    528,182.93 : 792,331.48 = 168,268.89 : x
  2. Step 2: Convert to fraction form
    528,182.93/792,331.48 = 168,268.89/x
  3. Step 3: Cross multiply
    528,182.93x = 792,331.48 × 168,268.89
  4. Step 4: Simplify right side
    528,182.93x = 133,324,738,498.06
  5. Step 5: Solve for x
    x = 133,324,738,498.06/528,182.93
  6. Step 6: Final answer
    x = 252,421.52

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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.