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Finding the Fourth Proportional to 223,280.40, 334,920.60 and 75,536.40

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Solution

The fourth proportional to 223,280.40, 334,920.60 and 75,536.40 is: 113,304.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,280.40 : 334,920.60 = 75,536.40 : x
  2. Step 2: Convert to fraction form
    223,280.40/334,920.60 = 75,536.40/x
  3. Step 3: Cross multiply
    223,280.40x = 334,920.60 × 75,536.40
  4. Step 4: Simplify right side
    223,280.40x = 25,298,696,409.84
  5. Step 5: Solve for x
    x = 25,298,696,409.84/223,280.40
  6. Step 6: Final answer
    x = 113,304.60

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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.