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Finding the Fourth Proportional to 496,049.64, 684,672.51 and 304,952.32

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Solution

The fourth proportional to 496,049.64, 684,672.51 and 304,952.32 is: 420,910.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    496,049.64 : 684,672.51 = 304,952.32 : x
  2. Step 2: Convert to fraction form
    496,049.64/684,672.51 = 304,952.32/x
  3. Step 3: Cross multiply
    496,049.64x = 684,672.51 × 304,952.32
  4. Step 4: Simplify right side
    496,049.64x = 208,792,470,364.72
  5. Step 5: Solve for x
    x = 208,792,470,364.72/496,049.64
  6. Step 6: Final answer
    x = 420,910.44

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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.