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Finding the Fourth Proportional to 1,232,766.30, 1,846,039.05 and 983,934.30

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Solution

The fourth proportional to 1,232,766.30, 1,846,039.05 and 983,934.30 is: 1,473,418.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,232,766.30 : 1,846,039.05 = 983,934.30 : x
  2. Step 2: Convert to fraction form
    1,232,766.30/1,846,039.05 = 983,934.30/x
  3. Step 3: Cross multiply
    1,232,766.30x = 1,846,039.05 × 983,934.30
  4. Step 4: Simplify right side
    1,232,766.30x = 1,816,381,140,434.42
  5. Step 5: Solve for x
    x = 1,816,381,140,434.42/1,232,766.30
  6. Step 6: Final answer
    x = 1,473,418.88

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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.