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Finding the Fourth Proportional to 298,275.08, 411,637.32 and 170,958.88

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Solution

The fourth proportional to 298,275.08, 411,637.32 and 170,958.88 is: 235,933.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    298,275.08 : 411,637.32 = 170,958.88 : x
  2. Step 2: Convert to fraction form
    298,275.08/411,637.32 = 170,958.88/x
  3. Step 3: Cross multiply
    298,275.08x = 411,637.32 × 170,958.88
  4. Step 4: Simplify right side
    298,275.08x = 70,373,055,193.40
  5. Step 5: Solve for x
    x = 70,373,055,193.40/298,275.08
  6. Step 6: Final answer
    x = 235,933.40

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1.5x scale

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.