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Finding the Fourth Proportional to 235,280.40, 352,920.60 and 223,616.40

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Solution

The fourth proportional to 235,280.40, 352,920.60 and 223,616.40 is: 335,424.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,280.40 : 352,920.60 = 223,616.40 : x
  2. Step 2: Convert to fraction form
    235,280.40/352,920.60 = 223,616.40/x
  3. Step 3: Cross multiply
    235,280.40x = 352,920.60 × 223,616.40
  4. Step 4: Simplify right side
    235,280.40x = 78,918,834,057.84
  5. Step 5: Solve for x
    x = 78,918,834,057.84/235,280.40
  6. Step 6: Final answer
    x = 335,424.60

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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.