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Finding the Fourth Proportional to 1,297,733.45, 1,946,599.74 and 944,992.22

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Solution

The fourth proportional to 1,297,733.45, 1,946,599.74 and 944,992.22 is: 1,417,488.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,297,733.45 : 1,946,599.74 = 944,992.22 : x
  2. Step 2: Convert to fraction form
    1,297,733.45/1,946,599.74 = 944,992.22/x
  3. Step 3: Cross multiply
    1,297,733.45x = 1,946,599.74 × 944,992.22
  4. Step 4: Simplify right side
    1,297,733.45x = 1,839,521,600,021.02
  5. Step 5: Solve for x
    x = 1,839,521,600,021.02/1,297,733.45
  6. Step 6: Final answer
    x = 1,417,488.01

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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.