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Finding the Fourth Proportional to 4,659,575.94, 6,986,509.65 and 1,816,366.50

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Solution

The fourth proportional to 4,659,575.94, 6,986,509.65 and 1,816,366.50 is: 2,723,437.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,659,575.94 : 6,986,509.65 = 1,816,366.50 : x
  2. Step 2: Convert to fraction form
    4,659,575.94/6,986,509.65 = 1,816,366.50/x
  3. Step 3: Cross multiply
    4,659,575.94x = 6,986,509.65 × 1,816,366.50
  4. Step 4: Simplify right side
    4,659,575.94x = 12,690,062,080,186.73
  5. Step 5: Solve for x
    x = 12,690,062,080,186.73/4,659,575.94
  6. Step 6: Final answer
    x = 2,723,437.12

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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.