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Finding the Fourth Proportional to 984,527, 1,358,647.98 and 531,818

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Solution

The fourth proportional to 984,527, 1,358,647.98 and 531,818 is: 733,909.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    984,527 : 1,358,647.98 = 531,818 : x
  2. Step 2: Convert to fraction form
    984,527/1,358,647.98 = 531,818/x
  3. Step 3: Cross multiply
    984,527x = 1,358,647.98 × 531,818
  4. Step 4: Simplify right side
    984,527x = 722,553,451,427.64
  5. Step 5: Solve for x
    x = 722,553,451,427.64/984,527
  6. Step 6: Final answer
    x = 733,909.23

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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.