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Finding the Fourth Proportional to 310,979.70, 466,471.71 and 133,336.98

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Solution

The fourth proportional to 310,979.70, 466,471.71 and 133,336.98 is: 200,006.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    310,979.70 : 466,471.71 = 133,336.98 : x
  2. Step 2: Convert to fraction form
    310,979.70/466,471.71 = 133,336.98/x
  3. Step 3: Cross multiply
    310,979.70x = 466,471.71 × 133,336.98
  4. Step 4: Simplify right side
    310,979.70x = 62,197,929,066.84
  5. Step 5: Solve for x
    x = 62,197,929,066.84/310,979.70
  6. Step 6: Final answer
    x = 200,006.40

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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.