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Finding the Fourth Proportional to 273,599.39, 411,021.86 and 197,931.32

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Solution

The fourth proportional to 273,599.39, 411,021.86 and 197,931.32 is: 297,347.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    273,599.39 : 411,021.86 = 197,931.32 : x
  2. Step 2: Convert to fraction form
    273,599.39/411,021.86 = 197,931.32/x
  3. Step 3: Cross multiply
    273,599.39x = 411,021.86 × 197,931.32
  4. Step 4: Simplify right side
    273,599.39x = 81,354,098,309.00
  5. Step 5: Solve for x
    x = 81,354,098,309.00/273,599.39
  6. Step 6: Final answer
    x = 297,347.51

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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.