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Finding the Fourth Proportional to 704,846.04, 972,673.04 and 398,916.94

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Solution

The fourth proportional to 704,846.04, 972,673.04 and 398,916.94 is: 550,497.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    704,846.04 : 972,673.04 = 398,916.94 : x
  2. Step 2: Convert to fraction form
    704,846.04/972,673.04 = 398,916.94/x
  3. Step 3: Cross multiply
    704,846.04x = 972,673.04 × 398,916.94
  4. Step 4: Simplify right side
    704,846.04x = 388,015,752,737.30
  5. Step 5: Solve for x
    x = 388,015,752,737.30/704,846.04
  6. Step 6: Final answer
    x = 550,497.17

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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.