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Finding the Fourth Proportional to 1,704,936.45, 2,352,807.45 and 940,984.50

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Solution

The fourth proportional to 1,704,936.45, 2,352,807.45 and 940,984.50 is: 1,298,555.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,704,936.45 : 2,352,807.45 = 940,984.50 : x
  2. Step 2: Convert to fraction form
    1,704,936.45/2,352,807.45 = 940,984.50/x
  3. Step 3: Cross multiply
    1,704,936.45x = 2,352,807.45 × 940,984.50
  4. Step 4: Simplify right side
    1,704,936.45x = 2,213,955,341,934.53
  5. Step 5: Solve for x
    x = 2,213,955,341,934.53/1,704,936.45
  6. Step 6: Final answer
    x = 1,298,555.93

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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.