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Finding the Fourth Proportional to 298,240.98, 411,581.97 and 170,956.50

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Solution

The fourth proportional to 298,240.98, 411,581.97 and 170,956.50 is: 235,925.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    298,240.98 : 411,581.97 = 170,956.50 : x
  2. Step 2: Convert to fraction form
    298,240.98/411,581.97 = 170,956.50/x
  3. Step 3: Cross multiply
    298,240.98x = 411,581.97 × 170,956.50
  4. Step 4: Simplify right side
    298,240.98x = 70,362,613,054.31
  5. Step 5: Solve for x
    x = 70,362,613,054.31/298,240.98
  6. Step 6: Final answer
    x = 235,925.37

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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.