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Finding the Fourth Proportional to 268,898.80, 403,348.20 and 174,895.60

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Solution

The fourth proportional to 268,898.80, 403,348.20 and 174,895.60 is: 262,343.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,898.80 : 403,348.20 = 174,895.60 : x
  2. Step 2: Convert to fraction form
    268,898.80/403,348.20 = 174,895.60/x
  3. Step 3: Cross multiply
    268,898.80x = 403,348.20 × 174,895.60
  4. Step 4: Simplify right side
    268,898.80x = 70,543,825,447.92
  5. Step 5: Solve for x
    x = 70,543,825,447.92/268,898.80
  6. Step 6: Final answer
    x = 262,343.40

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1.5x scale

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.