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Finding the Fourth Proportional to 984,496, 1,358,605.04 and 531,787

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Solution

The fourth proportional to 984,496, 1,358,605.04 and 531,787 is: 733,866.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    984,496 : 1,358,605.04 = 531,787 : x
  2. Step 2: Convert to fraction form
    984,496/1,358,605.04 = 531,787/x
  3. Step 3: Cross multiply
    984,496x = 1,358,605.04 × 531,787
  4. Step 4: Simplify right side
    984,496x = 722,488,498,406.48
  5. Step 5: Solve for x
    x = 722,488,498,406.48/984,496
  6. Step 6: Final answer
    x = 733,866.36

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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.