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Finding the Fourth Proportional to 506,676.20, 699,329.90 and 334,628.15

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Solution

The fourth proportional to 506,676.20, 699,329.90 and 334,628.15 is: 461,863.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    506,676.20 : 699,329.90 = 334,628.15 : x
  2. Step 2: Convert to fraction form
    506,676.20/699,329.90 = 334,628.15/x
  3. Step 3: Cross multiply
    506,676.20x = 699,329.90 × 334,628.15
  4. Step 4: Simplify right side
    506,676.20x = 234,015,468,016.61
  5. Step 5: Solve for x
    x = 234,015,468,016.61/506,676.20
  6. Step 6: Final answer
    x = 461,863.95

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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.