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Finding the Fourth Proportional to 1,223,076.30, 1,834,614.45 and 849,828.30

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Solution

The fourth proportional to 1,223,076.30, 1,834,614.45 and 849,828.30 is: 1,274,742.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,223,076.30 : 1,834,614.45 = 849,828.30 : x
  2. Step 2: Convert to fraction form
    1,223,076.30/1,834,614.45 = 849,828.30/x
  3. Step 3: Cross multiply
    1,223,076.30x = 1,834,614.45 × 849,828.30
  4. Step 4: Simplify right side
    1,223,076.30x = 1,559,107,279,198.94
  5. Step 5: Solve for x
    x = 1,559,107,279,198.94/1,223,076.30
  6. Step 6: Final answer
    x = 1,274,742.45

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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.