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Finding the Fourth Proportional to 268,284.40, 402,280.80 and 110,528.80

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Solution

The fourth proportional to 268,284.40, 402,280.80 and 110,528.80 is: 165,733.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,284.40 : 402,280.80 = 110,528.80 : x
  2. Step 2: Convert to fraction form
    268,284.40/402,280.80 = 110,528.80/x
  3. Step 3: Cross multiply
    268,284.40x = 402,280.80 × 110,528.80
  4. Step 4: Simplify right side
    268,284.40x = 44,463,614,087.04
  5. Step 5: Solve for x
    x = 44,463,614,087.04/268,284.40
  6. Step 6: Final answer
    x = 165,733.13

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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.