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Finding the Fourth Proportional to 223,411.60, 335,117.40 and 198,528.40

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Solution

The fourth proportional to 223,411.60, 335,117.40 and 198,528.40 is: 297,792.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,411.60 : 335,117.40 = 198,528.40 : x
  2. Step 2: Convert to fraction form
    223,411.60/335,117.40 = 198,528.40/x
  3. Step 3: Cross multiply
    223,411.60x = 335,117.40 × 198,528.40
  4. Step 4: Simplify right side
    223,411.60x = 66,530,321,234.16
  5. Step 5: Solve for x
    x = 66,530,321,234.16/223,411.60
  6. Step 6: Final answer
    x = 297,792.60

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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.