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Finding the Fourth Proportional to 217,091.60, 325,637.40 and 197,392.40

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Solution

The fourth proportional to 217,091.60, 325,637.40 and 197,392.40 is: 296,088.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,091.60 : 325,637.40 = 197,392.40 : x
  2. Step 2: Convert to fraction form
    217,091.60/325,637.40 = 197,392.40/x
  3. Step 3: Cross multiply
    217,091.60x = 325,637.40 × 197,392.40
  4. Step 4: Simplify right side
    217,091.60x = 64,278,347,915.76
  5. Step 5: Solve for x
    x = 64,278,347,915.76/217,091.60
  6. Step 6: Final answer
    x = 296,088.60

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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.