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Finding the Fourth Proportional to 343,179.64, 473,605.38 and 197,931.41

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Solution

The fourth proportional to 343,179.64, 473,605.38 and 197,931.41 is: 273,155.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    343,179.64 : 473,605.38 = 197,931.41 : x
  2. Step 2: Convert to fraction form
    343,179.64/473,605.38 = 197,931.41/x
  3. Step 3: Cross multiply
    343,179.64x = 473,605.38 × 197,931.41
  4. Step 4: Simplify right side
    343,179.64x = 93,741,378,278.96
  5. Step 5: Solve for x
    x = 93,741,378,278.96/343,179.64
  6. Step 6: Final answer
    x = 273,155.42

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.