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Finding the Fourth Proportional to 298,254.98, 411,601.59 and 170,954.60

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Solution

The fourth proportional to 298,254.98, 411,601.59 and 170,954.60 is: 235,922.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    298,254.98 : 411,601.59 = 170,954.60 : x
  2. Step 2: Convert to fraction form
    298,254.98/411,601.59 = 170,954.60/x
  3. Step 3: Cross multiply
    298,254.98x = 411,601.59 × 170,954.60
  4. Step 4: Simplify right side
    298,254.98x = 70,365,185,177.81
  5. Step 5: Solve for x
    x = 70,365,185,177.81/298,254.98
  6. Step 6: Final answer
    x = 235,922.92

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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.